131000331432320 has 192 divisors, whose sum is σ = 385732482579360. Its totient is φ = 42272375685120.

The previous prime is 131000331432301. The next prime is 131000331432323. The reversal of 131000331432320 is 23234133000131.

It is a super-2 number, since 2×131000331432320² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000331432320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000331432323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122328836 + ... + 123395075.

Almost surely, 2^{131000331432320} is an apocalyptic number.

131000331432320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000331432320 is an abundant number, since it is smaller than the sum of its proper divisors (254732151147040).

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

131000331432320 is a wasteful number, since it uses less digits than its factorization.

131000331432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245723961 (or 245723942 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 131000331432320 its reverse (23234133000131), we get a palindrome (154234464432451).

The spelling of 131000331432320 in words is "one hundred thirty-one trillion, three hundred thirty-one million, four hundred thirty-two thousand, three hundred twenty".