31412232402 has 32 divisors (see below), whose sum is σ = 63470931264. Its totient is φ = 10363080000.

The previous prime is 31412232349. The next prime is 31412232431. The reversal of 31412232402 is 20423221413.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850152 + ... + 1867052.

It is an arithmetic number, because the mean of its divisors is an integer number (1983466602).

Almost surely, 2^31412232402 is an apocalyptic number.

31412232402 is an abundant number, since it is smaller than the sum of its proper divisors (32058698862).

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

31412232402 is a wasteful number, since it uses less digits than its factorization.

31412232402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31412232402 its reverse (20423221413), we get a palindrome (51835453815).

The spelling of 31412232402 in words is "thirty-one billion, four hundred twelve million, two hundred thirty-two thousand, four hundred two".