131371201236 has 24 divisors (see below), whose sum is σ = 334399421664. Its totient is φ = 39809454880.

The previous prime is 131371201219. The next prime is 131371201261. The reversal of 131371201236 is 632102173131.

It is a congruent number.

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, 497618055 + ... + 497618318.

It is an arithmetic number, because the mean of its divisors is an integer number (13933309236).

Almost surely, 2^131371201236 is an apocalyptic number.

It is an amenable number.

131371201236 is an abundant number, since it is smaller than the sum of its proper divisors (203028220428).

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

131371201236 is a wasteful number, since it uses less digits than its factorization.

131371201236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995236391 (or 995236389 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

Adding to 131371201236 its reverse (632102173131), we get a palindrome (763473374367).

The spelling of 131371201236 in words is "one hundred thirty-one billion, three hundred seventy-one million, two hundred one thousand, two hundred thirty-six".