202131304402 has 16 divisors (see below), whose sum is σ = 304768512000. Its totient is φ = 100541960640.

The previous prime is 202131304381. The next prime is 202131304411. The reversal of 202131304402 is 204403131202.

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, 2733999 + ... + 2806957.

It is an arithmetic number, because the mean of its divisors is an integer number (19048032000).

Almost surely, 2^202131304402 is an apocalyptic number.

202131304402 is a deficient number, since it is larger than the sum of its proper divisors (102637207598).

202131304402 is a wasteful number, since it uses less digits than its factorization.

202131304402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80121.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202131304402 its reverse (204403131202), we get a palindrome (406534435604).

The spelling of 202131304402 in words is "two hundred two billion, one hundred thirty-one million, three hundred four thousand, four hundred two".