31400607042 has 64 divisors (see below), whose sum is σ = 79791863040. Its totient is φ = 8966619648.

The previous prime is 31400606981. The next prime is 31400607247. The reversal of 31400607042 is 24070600413.

31400607042 is a `hidden beast` number, since 3 + 14 + 0 + 0 + 607 + 0 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31400606997 and 31400607015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687378 + ... + 731634.

It is an arithmetic number, because the mean of its divisors is an integer number (1246747860).

Almost surely, 2^31400607042 is an apocalyptic number.

31400607042 is an abundant number, since it is smaller than the sum of its proper divisors (48391255998).

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

31400607042 is a wasteful number, since it uses less digits than its factorization.

31400607042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46152 (or 46146 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 31400607042 in words is "thirty-one billion, four hundred million, six hundred seven thousand, forty-two".