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31214000104 = 237557392859
BaseRepresentation
bin11101000100011111…
…111101011111101000
32222120100122111102221
4131010133331133220
51002411241000404
622201200203424
72153340423520
oct350437753750
988510574387
1031214000104
1112268542301
126071609574
132c35a4ba61
141721780680
15c2a4cc954
hex7447fd7e8

31214000104 has 16 divisors (see below), whose sum is σ = 66887143200. Its totient is φ = 13377428592.

The previous prime is 31214000047. The next prime is 31214000123. The reversal of 31214000104 is 40100041213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278696374 + ... + 278696485.

It is an arithmetic number, because the mean of its divisors is an integer number (4180446450).

Almost surely, 231214000104 is an apocalyptic number.

It is an amenable number.

31214000104 is an abundant number, since it is smaller than the sum of its proper divisors (35673143096).

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

31214000104 is a wasteful number, since it uses less digits than its factorization.

31214000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557392872 (or 557392868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31214000104 its reverse (40100041213), we get a palindrome (71314041317).

The spelling of 31214000104 in words is "thirty-one billion, two hundred fourteen million, one hundred four", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 28 56 557392859 1114785718 2229571436 3901750013 4459142872 7803500026 15607000052 31214000104