131012013 has 32 divisors (see below), whose sum is σ = 206502912. Its totient is φ = 72979200.

The previous prime is 131012009. The next prime is 131012029. The reversal of 131012013 is 310210131.

It is not a de Polignac number, because 131012013 - 2² = 131012009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21408 + ... + 26838.

It is an arithmetic number, because the mean of its divisors is an integer number (6453216).

Almost surely, 2^131012013 is an apocalyptic number.

It is an amenable number.

131012013 is a deficient number, since it is larger than the sum of its proper divisors (75490899).

131012013 is a wasteful number, since it uses less digits than its factorization.

131012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 131012013 is about 11446.0479205707. The cubic root of 131012013 is about 507.8908317817.

Adding to 131012013 its reverse (310210131), we get a palindrome (441222144).

The spelling of 131012013 in words is "one hundred thirty-one million, twelve thousand, thirteen".