131020431010344 has 48 divisors (see below), whose sum is σ = 354850803527220. Its totient is φ = 43673008957440.

The previous prime is 131020431010237. The next prime is 131020431010349. The reversal of 131020431010344 is 443010134020131.

131020431010344 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 2 + 0 + 4 + 310 + 1 + 0 + 344 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 129797942552100 + 1222488458244 = 11392890^2 + 1105662^2 .

It is not an unprimeable number, because it can be changed into a prime (131020431010349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953287 + ... + 16454870.

Almost surely, 2^{131020431010344} is an apocalyptic number.

It is an amenable number.

131020431010344 is an abundant number, since it is smaller than the sum of its proper divisors (223830372516876).

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

131020431010344 is a wasteful number, since it uses less digits than its factorization.

131020431010344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19501930 (or 19501923 counting only the distinct ones).

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

Adding to 131020431010344 its reverse (443010134020131), we get a palindrome (574030565030475).

The spelling of 131020431010344 in words is "one hundred thirty-one trillion, twenty billion, four hundred thirty-one million, ten thousand, three hundred forty-four".