131202225534 has 16 divisors (see below), whose sum is σ = 263723068800. Its totient is φ = 43514305560.

The previous prime is 131202225493. The next prime is 131202225563. The reversal of 131202225534 is 435522202131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54941112 + ... + 54943499.

It is an arithmetic number, because the mean of its divisors is an integer number (16482691800).

Almost surely, 2^131202225534 is an apocalyptic number.

131202225534 is an abundant number, since it is smaller than the sum of its proper divisors (132520843266).

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

131202225534 is a wasteful number, since it uses less digits than its factorization.

131202225534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109884815.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 131202225534 its reverse (435522202131), we get a palindrome (566724427665).

The spelling of 131202225534 in words is "one hundred thirty-one billion, two hundred two million, two hundred twenty-five thousand, five hundred thirty-four".