131234023140120 has 512 divisors, whose sum is σ = 463840881408000. Its totient is φ = 32911761991680.

The previous prime is 131234023140091. The next prime is 131234023140133. The reversal of 131234023140120 is 21041320432131.

131234023140120 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 3 + 4 + 0 + 231 + 401 + 20 = 666.

It is a super-2 number, since 2×131234023140120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2346495597 + ... + 2346551523.

It is an arithmetic number, because the mean of its divisors is an integer number (905939221500).

Almost surely, 2^{131234023140120} is an apocalyptic number.

131234023140120 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 131234023140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231920440704000).

131234023140120 is an abundant number, since it is smaller than the sum of its proper divisors (332606858267880).

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

131234023140120 is a wasteful number, since it uses less digits than its factorization.

131234023140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56800 (or 56790 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131234023140120 its reverse (21041320432131), we get a palindrome (152275343572251).

The spelling of 131234023140120 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, twenty-three million, one hundred forty thousand, one hundred twenty".