131323542204 has 24 divisors (see below), whose sum is σ = 306464282320. Its totient is φ = 43768416384.

The previous prime is 131323542149. The next prime is 131323542227. The reversal of 131323542204 is 402245323131.

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, 672049 + ... + 845160.

Almost surely, 2^131323542204 is an apocalyptic number.

It is an amenable number.

131323542204 is an abundant number, since it is smaller than the sum of its proper divisors (175140740116).

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

131323542204 is a wasteful number, since it uses less digits than its factorization.

131323542204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524429 (or 1524427 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 131323542204 its reverse (402245323131), we get a palindrome (533568865335).

The spelling of 131323542204 in words is "one hundred thirty-one billion, three hundred twenty-three million, five hundred forty-two thousand, two hundred four".