31245414402 has 16 divisors (see below), whose sum is σ = 63064140480. Its totient is φ = 10319586192.

The previous prime is 31245414377. The next prime is 31245414451. The reversal of 31245414402 is 20441454213.

It is a self number, because there is not a number n which added to its sum of digits gives 31245414402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23887278 + ... + 23888585.

It is an arithmetic number, because the mean of its divisors is an integer number (3941508780).

Almost surely, 2^31245414402 is an apocalyptic number.

31245414402 is an abundant number, since it is smaller than the sum of its proper divisors (31818726078).

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

31245414402 is a wasteful number, since it uses less digits than its factorization.

31245414402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47775977.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 31245414402 its reverse (20441454213), we get a palindrome (51686868615).

The spelling of 31245414402 in words is "thirty-one billion, two hundred forty-five million, four hundred fourteen thousand, four hundred two".