131313120131 has 32 divisors (see below), whose sum is σ = 146203115520. Its totient is φ = 117436068000.

The previous prime is 131313120121. The next prime is 131313120149. The reversal of 131313120131 is 131021313131.

It is a cyclic number.

It is not a de Polignac number, because 131313120131 - 2³⁰ = 130239378307 is a prime.

It is a super-2 number, since 2×131313120131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131313120121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8490956 + ... + 8506406.

It is an arithmetic number, because the mean of its divisors is an integer number (4568847360).

Almost surely, 2^131313120131 is an apocalyptic number.

131313120131 is a deficient number, since it is larger than the sum of its proper divisors (14889995389).

131313120131 is a wasteful number, since it uses less digits than its factorization.

131313120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131313120131 its reverse (131021313131), we get a palindrome (262334433262).

The spelling of 131313120131 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred twenty thousand, one hundred thirty-one".