13131513651 has 8 divisors (see below), whose sum is σ = 17511783120. Its totient is φ = 8752793312.

The previous prime is 13131513641. The next prime is 13131513679. The reversal of 13131513651 is 15631513131.

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 13131513651 - 2⁶ = 13131513587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13131513641) 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, 367356 + ... + 401513.

It is an arithmetic number, because the mean of its divisors is an integer number (2188972890).

Almost surely, 2^13131513651 is an apocalyptic number.

13131513651 is a deficient number, since it is larger than the sum of its proper divisors (4380269469).

13131513651 is an equidigital number, since it uses as much as digits as its factorization.

13131513651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774565.

The product of its digits is 4050, while the sum is 30.

The spelling of 13131513651 in words is "thirteen billion, one hundred thirty-one million, five hundred thirteen thousand, six hundred fifty-one".