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31144042002310 = 256614711655371
BaseRepresentation
bin1110001010011010010011…
…00011110111011110000110
311002021100012211120001111121
413011031021203313132012
513040230444223033220
6150123213025424154
76363040252065646
oct705151143673606
9132240184501447
1031144042002310
119a18128872266
1235abb1079b05a
13144bb41806503
14799545b8a526
153901dc031eaa
hex1c53498f7786

31144042002310 has 16 divisors (see below), whose sum is σ = 56144085412752. Its totient is φ = 12438770176800.

The previous prime is 31144042002259. The next prime is 31144042002319. The reversal of 31144042002310 is 1320024044113.

It is a super-2 number, since 2×311440420023102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144042002319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355821076 + ... + 2355834295.

It is an arithmetic number, because the mean of its divisors is an integer number (3509005338297).

Almost surely, 231144042002310 is an apocalyptic number.

31144042002310 is a deficient number, since it is larger than the sum of its proper divisors (25000043410442).

31144042002310 is a wasteful number, since it uses less digits than its factorization.

31144042002310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711656039.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31144042002310 its reverse (1320024044113), we get a palindrome (32464066046423).

The spelling of 31144042002310 in words is "thirty-one trillion, one hundred forty-four billion, forty-two million, two thousand, three hundred ten".

Divisors: 1 2 5 10 661 1322 3305 6610 4711655371 9423310742 23558276855 47116553710 3114404200231 6228808400462 15572021001155 31144042002310