13610231513 has 8 divisors (see below), whose sum is σ = 13888299528. Its totient is φ = 13332951424.

The previous prime is 13610231447. The next prime is 13610231543. The reversal of 13610231513 is 31513201631.

It can be written as a sum of positive squares in 4 ways, for example, as 1806930064 + 11803301449 = 42508^2 + 108643^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13610231513 - 2¹⁶ = 13610165977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13610231543) 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, 162020 + ... + 231237.

It is an arithmetic number, because the mean of its divisors is an integer number (1736037441).

Almost surely, 2^13610231513 is an apocalyptic number.

It is an amenable number.

13610231513 is a deficient number, since it is larger than the sum of its proper divisors (278068015).

13610231513 is an equidigital number, since it uses as much as digits as its factorization.

13610231513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393963.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 13610231513 in words is "thirteen billion, six hundred ten million, two hundred thirty-one thousand, five hundred thirteen".