31607430402 has 16 divisors (see below), whose sum is σ = 63217357632. Its totient is φ = 10535394000.

The previous prime is 31607430391. The next prime is 31607430409. The reversal of 31607430402 is 20403470613.

It is a self number, because there is not a number n which added to its sum of digits gives 31607430402.

It is not an unprimeable number, because it can be changed into a prime (31607430409) by changing a digit.

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, 87723 + ... + 266289.

It is an arithmetic number, because the mean of its divisors is an integer number (3951084852).

Almost surely, 2^31607430402 is an apocalyptic number.

31607430402 is an abundant number, since it is smaller than the sum of its proper divisors (31609927230).

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

31607430402 is a wasteful number, since it uses less digits than its factorization.

31607430402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208073.

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 31607430402 in words is "thirty-one billion, six hundred seven million, four hundred thirty thousand, four hundred two".