2131310413 has 8 divisors (see below), whose sum is σ = 2139401880. Its totient is φ = 2123234880.

The previous prime is 2131310407. The next prime is 2131310429. The reversal of 2131310413 is 3140131312.

It can be written as a sum of positive squares in 4 ways, for example, as 835094404 + 1296216009 = 28898^2 + 36003^2 .

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-2131310413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131310473) 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, 308683 + ... + 315511.

It is an arithmetic number, because the mean of its divisors is an integer number (267425235).

Almost surely, 2^2131310413 is an apocalyptic number.

It is an amenable number.

2131310413 is a deficient number, since it is larger than the sum of its proper divisors (8091467).

2131310413 is an equidigital number, since it uses as much as digits as its factorization.

2131310413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2131310413 is about 46166.1175863858. The cubic root of 2131310413 is about 1286.9121532712.

Adding to 2131310413 its reverse (3140131312), we get a palindrome (5271441725).

The spelling of 2131310413 in words is "two billion, one hundred thirty-one million, three hundred ten thousand, four hundred thirteen".