202131402 has 32 divisors (see below), whose sum is σ = 442203840. Its totient is φ = 61086720.

The previous prime is 202131389. The next prime is 202131403. The reversal of 202131402 is 204131202.

It is not an unprimeable number, because it can be changed into a prime (202131403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21738 + ... + 29610.

It is an arithmetic number, because the mean of its divisors is an integer number (13818870).

Almost surely, 2^202131402 is an apocalyptic number.

202131402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202131402 is an abundant number, since it is smaller than the sum of its proper divisors (240072438).

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

202131402 is a wasteful number, since it uses less digits than its factorization.

202131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202131402 is about 14217.2923582516. The cubic root of 202131402 is about 586.8736304196.

Adding to 202131402 its reverse (204131202), we get a palindrome (406262604).

The spelling of 202131402 in words is "two hundred two million, one hundred thirty-one thousand, four hundred two".