131140442313 has 16 divisors (see below), whose sum is σ = 194287947840. Its totient is φ = 87424346592.

The previous prime is 131140442297. The next prime is 131140442359. The reversal of 131140442313 is 313244041131.

131140442313 is a `hidden beast` number, since 13 + 11 + 404 + 4 + 231 + 3 = 666.

It is not a de Polignac number, because 131140442313 - 2⁴ = 131140442297 is a prime.

It is a super-2 number, since 2×131140442313² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (131140446313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361845 + ... + 1454957.

It is an arithmetic number, because the mean of its divisors is an integer number (12142996740).

Almost surely, 2^131140442313 is an apocalyptic number.

It is an amenable number.

131140442313 is a deficient number, since it is larger than the sum of its proper divisors (63147505527).

131140442313 is an equidigital number, since it uses as much as digits as its factorization.

131140442313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145285 (or 145279 counting only the distinct ones).

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

Adding to 131140442313 its reverse (313244041131), we get a palindrome (444384483444).

The spelling of 131140442313 in words is "one hundred thirty-one billion, one hundred forty million, four hundred forty-two thousand, three hundred thirteen".