131310513 has 12 divisors (see below), whose sum is σ = 195789568. Its totient is φ = 84716280.

The previous prime is 131310503. The next prime is 131310523. The reversal of 131310513 is 315013131.

It is an interprime number because it is at equal distance from previous prime (131310503) and next prime (131310523).

It is not a de Polignac number, because 131310513 - 2⁴ = 131310497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131310503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235045 + ... + 235602.

Almost surely, 2^131310513 is an apocalyptic number.

It is an amenable number.

131310513 is a deficient number, since it is larger than the sum of its proper divisors (64479055).

131310513 is a wasteful number, since it uses less digits than its factorization.

131310513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470684 (or 470681 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 131310513 is about 11459.0799368885. The cubic root of 131310513 is about 508.2762682396.

Adding to 131310513 its reverse (315013131), we get a palindrome (446323644).

The spelling of 131310513 in words is "one hundred thirty-one million, three hundred ten thousand, five hundred thirteen".