3113213231 has 8 divisors (see below), whose sum is σ = 3251574144. Its totient is φ = 2975102680.

The previous prime is 3113213209. The next prime is 3113213267. The reversal of 3113213231 is 1323123113.

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 3113213231 - 2²⁶ = 3046104367 is a prime.

It is a super-2 number, since 2×3113213231² = 19384193243346918722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113213531) 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, 36941 + ... + 87126.

It is an arithmetic number, because the mean of its divisors is an integer number (406446768).

Almost surely, 2^3113213231 is an apocalyptic number.

3113213231 is a deficient number, since it is larger than the sum of its proper divisors (138360913).

3113213231 is a wasteful number, since it uses less digits than its factorization.

3113213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125181.

The product of its digits is 324, while the sum is 20.

The square root of 3113213231 is about 55796.1757739722. The cubic root of 3113213231 is about 1460.1684347804.

Adding to 3113213231 its reverse (1323123113), we get a palindrome (4436336344).

The spelling of 3113213231 in words is "three billion, one hundred thirteen million, two hundred thirteen thousand, two hundred thirty-one".