131510013 has 16 divisors (see below), whose sum is σ = 179504640. Its totient is φ = 85610304.

The previous prime is 131510009. The next prime is 131510051. The reversal of 131510013 is 310015131.

It is not a de Polignac number, because 131510013 - 2² = 131510009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131509974 and 131510001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131510053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33603 + ... + 37311.

It is an arithmetic number, because the mean of its divisors is an integer number (11219040).

Almost surely, 2^131510013 is an apocalyptic number.

It is an amenable number.

131510013 is a deficient number, since it is larger than the sum of its proper divisors (47994627).

131510013 is a wasteful number, since it uses less digits than its factorization.

131510013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 131510013 is about 11467.7815204162. The cubic root of 131510013 is about 508.5335459538.

Adding to 131510013 its reverse (310015131), we get a palindrome (441525144).

The spelling of 131510013 in words is "one hundred thirty-one million, five hundred ten thousand, thirteen".