131013012131 has 4 divisors (see below), whose sum is σ = 132172419432. Its totient is φ = 129853604832.

The previous prime is 131013012077. The next prime is 131013012133. The reversal of 131013012131 is 131210310131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131013012131 - 2²⁶ = 130945903267 is a prime.

It is a super-2 number, since 2×131013012131² (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 (131013012133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579703481 + ... + 579703706.

It is an arithmetic number, because the mean of its divisors is an integer number (33043104858).

Almost surely, 2^131013012131 is an apocalyptic number.

131013012131 is a deficient number, since it is larger than the sum of its proper divisors (1159407301).

131013012131 is a wasteful number, since it uses less digits than its factorization.

131013012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159407300.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 131013012131 its reverse (131210310131), we get a palindrome (262223322262).

The spelling of 131013012131 in words is "one hundred thirty-one billion, thirteen million, twelve thousand, one hundred thirty-one".