313111315 has 32 divisors (see below), whose sum is σ = 425502720. Its totient is φ = 219129600.

The previous prime is 313111313. The next prime is 313111319. The reversal of 313111315 is 513111313.

It is not a de Polignac number, because 313111315 - 2¹ = 313111313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313111292 and 313111301.

It is not an unprimeable number, because it can be changed into a prime (313111313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386631 + ... + 387439.

It is an arithmetic number, because the mean of its divisors is an integer number (13296960).

Almost surely, 2^313111315 is an apocalyptic number.

313111315 is a deficient number, since it is larger than the sum of its proper divisors (112391405).

313111315 is a wasteful number, since it uses less digits than its factorization.

313111315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 135, while the sum is 19.

The square root of 313111315 is about 17694.9516811999. The cubic root of 313111315 is about 679.0466130445.

Adding to 313111315 its reverse (513111313), we get a palindrome (826222628).

It can be divided in two parts, 313 and 111315, that added together give a triangular number (111628 = T₄₇₂).

The spelling of 313111315 in words is "three hundred thirteen million, one hundred eleven thousand, three hundred fifteen".