131031312424012 has 192 divisors, whose sum is σ = 326211905940480. Its totient is φ = 44321707008000.

The previous prime is 131031312424009. The next prime is 131031312424093. The reversal of 131031312424012 is 210424213130131.

It is a super-2 number, since 2×131031312424012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98651512 + ... + 99970912.

It is an arithmetic number, because the mean of its divisors is an integer number (1699020343440).

Almost surely, 2^{131031312424012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131031312424012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163105952970240).

131031312424012 is an abundant number, since it is smaller than the sum of its proper divisors (195180593516468).

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

131031312424012 is a wasteful number, since it uses less digits than its factorization.

131031312424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320912 (or 1320910 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131031312424012 its reverse (210424213130131), we get a palindrome (341455525554143).

The spelling of 131031312424012 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twelve million, four hundred twenty-four thousand, twelve".