131303323231002 has 24 divisors (see below), whose sum is σ = 306374420872884. Its totient is φ = 40401022532544.

The previous prime is 131303323230979. The next prime is 131303323231043. The reversal of 131303323231002 is 200132323303131.

131303323231002 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 0 + 332 + 323 + 1 + 0 + 0 + 2 = 666.

131303323231002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127523289049641 + 3780034181361 = 11292621^2 + 1944231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280562656243 + ... + 280562656710.

Almost surely, 2^{131303323231002} is an apocalyptic number.

131303323231002 is an abundant number, since it is smaller than the sum of its proper divisors (175071097641882).

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

131303323231002 is a wasteful number, since it uses less digits than its factorization.

131303323231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561125312974 (or 561125312971 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 131303323231002 its reverse (200132323303131), we get a palindrome (331435646534133).

The spelling of 131303323231002 in words is "one hundred thirty-one trillion, three hundred three billion, three hundred twenty-three million, two hundred thirty-one thousand, two".