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31044497376 = 2531316134027
BaseRepresentation
bin11100111010011001…
…010110111111100000
32222010112200212102010
4130322121112333200
51002034342404001
622132303152520
72146211605464
oct347231267740
988115625363
1031044497376
111219089a402
1260248a5740
132c098b1b99
14170705a4a4
15c1a6998d6
hex73a656fe0

31044497376 has 96 divisors (see below), whose sum is σ = 82268258688. Its totient is φ = 10249873920.

The previous prime is 31044497371. The next prime is 31044497381. The reversal of 31044497376 is 67379444013.

It is an interprime number because it is at equal distance from previous prime (31044497371) and next prime (31044497381).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044497371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707075 + ... + 7711101.

It is an arithmetic number, because the mean of its divisors is an integer number (856961028).

Almost surely, 231044497376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31044497376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41134129344).

31044497376 is an abundant number, since it is smaller than the sum of its proper divisors (51223761312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31044497376 is a wasteful number, since it uses less digits than its factorization.

31044497376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 31044497376 in words is "thirty-one billion, forty-four million, four hundred ninety-seven thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 131 262 393 524 613 786 1048 1226 1572 1839 2096 2452 3144 3678 4027 4192 4904 6288 7356 8054 9808 12081 12576 14712 16108 19616 24162 29424 32216 48324 58848 64432 80303 96648 128864 160606 193296 240909 321212 386592 481818 527537 642424 963636 1055074 1284848 1582611 1927272 2110148 2468551 2569696 3165222 3854544 4220296 4937102 6330444 7405653 7709088 8440592 9874204 12660888 14811306 16881184 19748408 25321776 29622612 39496816 50643552 59245224 78993632 118490448 236980896 323380181 646760362 970140543 1293520724 1940281086 2587041448 3880562172 5174082896 7761124344 10348165792 15522248688 31044497376