1313118651 has 8 divisors (see below), whose sum is σ = 1885503760. Its totient is φ = 808072992.

The previous prime is 1313118629. The next prime is 1313118661. The reversal of 1313118651 is 1568113131.

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

It is not a de Polignac number, because 1313118651 - 2⁷ = 1313118523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313118601) 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, 16834816 + ... + 16834893.

It is an arithmetic number, because the mean of its divisors is an integer number (235687970).

Almost surely, 2^1313118651 is an apocalyptic number.

1313118651 is a deficient number, since it is larger than the sum of its proper divisors (572385109).

1313118651 is a wasteful number, since it uses less digits than its factorization.

1313118651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33669725.

The product of its digits is 2160, while the sum is 30.

The square root of 1313118651 is about 36236.9790545514. The cubic root of 1313118651 is about 1095.0517829601.

The spelling of 1313118651 in words is "one billion, three hundred thirteen million, one hundred eighteen thousand, six hundred fifty-one".