131213111320 has 64 divisors (see below), whose sum is σ = 298176746400. Its totient is φ = 51961912320.

The previous prime is 131213111311. The next prime is 131213111329. The reversal of 131213111320 is 23111312131.

It is an interprime number because it is at equal distance from previous prime (131213111311) and next prime (131213111329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213111329) 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, 7442676 + ... + 7460284.

Almost surely, 2^131213111320 is an apocalyptic number.

131213111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131213111320 is an abundant number, since it is smaller than the sum of its proper divisors (166963635080).

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

131213111320 is a wasteful number, since it uses less digits than its factorization.

131213111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19468 (or 19464 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131213111320 its reverse (23111312131), we get a palindrome (154324423451).

The spelling of 131213111320 in words is "one hundred thirty-one billion, two hundred thirteen million, one hundred eleven thousand, three hundred twenty".