202131122134 has 16 divisors (see below), whose sum is σ = 318146641920. Its totient is φ = 96131338600.

The previous prime is 202131122101. The next prime is 202131122251. The reversal of 202131122134 is 431221131202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12265942 + ... + 12282409.

It is an arithmetic number, because the mean of its divisors is an integer number (19884165120).

Almost surely, 2^202131122134 is an apocalyptic number.

202131122134 is a deficient number, since it is larger than the sum of its proper divisors (116015519786).

202131122134 is a wasteful number, since it uses less digits than its factorization.

202131122134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24548555.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 202131122134 its reverse (431221131202), we get a palindrome (633352253336).

The spelling of 202131122134 in words is "two hundred two billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-four".