31400013232 has 40 divisors (see below), whose sum is σ = 69554539296. Its totient is φ = 13452128256.

The previous prime is 31400013223. The next prime is 31400013277. The reversal of 31400013232 is 23231000413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257418 + ... + 359254.

Almost surely, 2^31400013232 is an apocalyptic number.

It is an amenable number.

31400013232 is an abundant number, since it is smaller than the sum of its proper divisors (38154526064).

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

31400013232 is a wasteful number, since it uses less digits than its factorization.

31400013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104605 (or 104599 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31400013232 its reverse (23231000413), we get a palindrome (54631013645).

The spelling of 31400013232 in words is "thirty-one billion, four hundred million, thirteen thousand, two hundred thirty-two".