5131661315 has 8 divisors (see below), whose sum is σ = 6717811248. Its totient is φ = 3732117280.

The previous prime is 5131661279. The next prime is 5131661333.

5131661315 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5131661315 - 2⁶ = 5131661251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46651412 + ... + 46651521.

It is an arithmetic number, because the mean of its divisors is an integer number (839726406).

Almost surely, 2^5131661315 is an apocalyptic number.

5131661315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5131661315 is a deficient number, since it is larger than the sum of its proper divisors (1586149933).

5131661315 is a wasteful number, since it uses less digits than its factorization.

5131661315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93302949.

The product of its digits is 8100, while the sum is 32.

The square root of 5131661315 is about 71635.6148504360. The cubic root of 5131661315 is about 1724.8552776436.

The spelling of 5131661315 in words is "five billion, one hundred thirty-one million, six hundred sixty-one thousand, three hundred fifteen".