313311131 has 8 divisors (see below), whose sum is σ = 360141024. Its totient is φ = 266999040.

The previous prime is 313311113. The next prime is 313311133. The reversal of 313311131 is 131113313.

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

It is not a de Polignac number, because 313311131 - 2²⁶ = 246202267 is a prime.

It is a super-2 number, since 2×313311131² = 196327729616998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313311133) 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, 128150 + ... + 130571.

It is an arithmetic number, because the mean of its divisors is an integer number (45017628).

Almost surely, 2^313311131 is an apocalyptic number.

313311131 is a deficient number, since it is larger than the sum of its proper divisors (46829893).

313311131 is a wasteful number, since it uses less digits than its factorization.

313311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258901.

The product of its digits is 81, while the sum is 17.

The square root of 313311131 is about 17700.5969108389. The cubic root of 313311131 is about 679.1910297624.

Adding to 313311131 its reverse (131113313), we get a palindrome (444424444).

The spelling of 313311131 in words is "three hundred thirteen million, three hundred eleven thousand, one hundred thirty-one".