2131510013 has 8 divisors (see below), whose sum is σ = 2137623360. Its totient is φ = 2125406880.

The previous prime is 2131509977. The next prime is 2131510037. The reversal of 2131510013 is 3100151312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131510013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131509973 and 2131510000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131515013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597128 + ... + 600686.

It is an arithmetic number, because the mean of its divisors is an integer number (267202920).

Almost surely, 2^2131510013 is an apocalyptic number.

It is an amenable number.

2131510013 is a deficient number, since it is larger than the sum of its proper divisors (6113347).

2131510013 is an equidigital number, since it uses as much as digits as its factorization.

2131510013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 2131510013 is about 46168.2792943380. The cubic root of 2131510013 is about 1286.9523256844.

Adding to 2131510013 its reverse (3100151312), we get a palindrome (5231661325).

The spelling of 2131510013 in words is "two billion, one hundred thirty-one million, five hundred ten thousand, thirteen".