131243132331120 has 160 divisors (see below), whose sum is σ = 413035902938880. Its totient is φ = 34466644776960.

The previous prime is 131243132331097. The next prime is 131243132331137. The reversal of 131243132331120 is 21133231342131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59522755 + ... + 61688285.

It is an arithmetic number, because the mean of its divisors is an integer number (2581474393368).

Almost surely, 2^{131243132331120} is an apocalyptic number.

131243132331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131243132331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206517951469440).

131243132331120 is an abundant number, since it is smaller than the sum of its proper divisors (281792770607760).

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

131243132331120 is a wasteful number, since it uses less digits than its factorization.

131243132331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169383 (or 2169377 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 131243132331120 its reverse (21133231342131), we get a palindrome (152376363673251).

The spelling of 131243132331120 in words is "one hundred thirty-one trillion, two hundred forty-three billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty".