31404102402 has 32 divisors (see below), whose sum is σ = 64261175040. Its totient is φ = 10227526400.

The previous prime is 31404102383. The next prime is 31404102413. The reversal of 31404102402 is 20420140413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130599 + ... + 282602.

It is an arithmetic number, because the mean of its divisors is an integer number (2008161720).

Almost surely, 2^31404102402 is an apocalyptic number.

31404102402 is an abundant number, since it is smaller than the sum of its proper divisors (32857072638).

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

31404102402 is a wasteful number, since it uses less digits than its factorization.

31404102402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413498.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 31404102402 its reverse (20420140413), we get a palindrome (51824242815).

The spelling of 31404102402 in words is "thirty-one billion, four hundred four million, one hundred two thousand, four hundred two".