131134013 has 4 divisors (see below), whose sum is σ = 132135168. Its totient is φ = 130132860.

The previous prime is 131134001. The next prime is 131134021. The reversal of 131134013 is 310431131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310431131 = 41 ⋅7571491.

It is a cyclic number.

It is not a de Polignac number, because 131134013 - 2⁴ = 131133997 is a prime.

It is a super-2 number, since 2×131134013² = 34392258730968338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131133982 and 131134000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131134033) 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, 500381 + ... + 500642.

It is an arithmetic number, because the mean of its divisors is an integer number (33033792).

Almost surely, 2^131134013 is an apocalyptic number.

It is an amenable number.

131134013 is a deficient number, since it is larger than the sum of its proper divisors (1001155).

131134013 is a wasteful number, since it uses less digits than its factorization.

131134013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001154.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 131134013 is about 11451.3760308532. The cubic root of 131134013 is about 508.0484342705.

Adding to 131134013 its reverse (310431131), we get a palindrome (441565144).

The spelling of 131134013 in words is "one hundred thirty-one million, one hundred thirty-four thousand, thirteen".