1313893315 has 8 divisors (see below), whose sum is σ = 1801910880. Its totient is φ = 900955392.

The previous prime is 1313893313. The next prime is 1313893327. The reversal of 1313893315 is 5133983131.

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 1313893315 - 2¹ = 1313893313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313893313) 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, 18769870 + ... + 18769939.

It is an arithmetic number, because the mean of its divisors is an integer number (225238860).

Almost surely, 2^1313893315 is an apocalyptic number.

1313893315 is a deficient number, since it is larger than the sum of its proper divisors (488017565).

1313893315 is an equidigital number, since it uses as much as digits as its factorization.

1313893315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37539821.

The product of its digits is 29160, while the sum is 37.

The square root of 1313893315 is about 36247.6663386762. Note that the first 3 decimals coincide. The cubic root of 1313893315 is about 1095.2670796847.

The spelling of 1313893315 in words is "one billion, three hundred thirteen million, eight hundred ninety-three thousand, three hundred fifteen".