1313809951 has 8 divisors (see below), whose sum is σ = 1339286400. Its totient is φ = 1288359072.

The previous prime is 1313809909. The next prime is 1313809969. The reversal of 1313809951 is 1599083131.

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 1313809951 - 2¹⁵ = 1313777183 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 (1313800951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121981 + ... + 132313.

It is an arithmetic number, because the mean of its divisors is an integer number (167410800).

Almost surely, 2^1313809951 is an apocalyptic number.

1313809951 is a deficient number, since it is larger than the sum of its proper divisors (25476449).

1313809951 is a wasteful number, since it uses less digits than its factorization.

1313809951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 1313809951 is about 36246.5163981313. The cubic root of 1313809951 is about 1095.2439149993.

The spelling of 1313809951 in words is "one billion, three hundred thirteen million, eight hundred nine thousand, nine hundred fifty-one".