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31010404344 = 23317312451803
BaseRepresentation
bin11100111000010111…
…010011011111111000
32222001011112202120020
4130320113103133320
51002002130414334
622125044330440
72145316042053
oct347027233770
988034482506
1031010404344
1112173623847
1260153a3a20
132c02805baa
141702703a9a
15c176b2e49
hex7385d37f8

31010404344 has 64 divisors (see below), whose sum is σ = 84734346240. Its totient is φ = 9414919680.

The previous prime is 31010404333. The next prime is 31010404367. The reversal of 31010404344 is 44340401013.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213254 + ... + 1238549.

It is an arithmetic number, because the mean of its divisors is an integer number (1323974160).

Almost surely, 231010404344 is an apocalyptic number.

31010404344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31010404344 is an abundant number, since it is smaller than the sum of its proper divisors (53723941896).

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

31010404344 is a wasteful number, since it uses less digits than its factorization.

31010404344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451860 (or 2451856 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31010404344 its reverse (44340401013), we get a palindrome (75350805357).

The spelling of 31010404344 in words is "thirty-one billion, ten million, four hundred four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 17 24 31 34 51 62 68 93 102 124 136 186 204 248 372 408 527 744 1054 1581 2108 3162 4216 6324 12648 2451803 4903606 7355409 9807212 14710818 19614424 29421636 41680651 58843272 76005893 83361302 125041953 152011786 166722604 228017679 250083906 304023572 333445208 456035358 500167812 608047144 912070716 1000335624 1292100181 1824141432 2584200362 3876300543 5168400724 7752601086 10336801448 15505202172 31010404344