3113323231 has 2 divisors, whose sum is σ = 3113323232. Its totient is φ = 3113323230.

The previous prime is 3113323201. The next prime is 3113323243. The reversal of 3113323231 is 1323233113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3113323231 - 2²⁵ = 3079768799 is a prime.

It is a super-2 number, since 2×3113323231² = 19385563081368558722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113323201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556661615 + 1556661616.

It is an arithmetic number, because the mean of its divisors is an integer number (1556661616).

Almost surely, 2^3113323231 is an apocalyptic number.

3113323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113323231 is an equidigital number, since it uses as much as digits as its factorization.

3113323231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 22.

The square root of 3113323231 is about 55797.1614959041. The cubic root of 3113323231 is about 1460.1856320858.

Adding to 3113323231 its reverse (1323233113), we get a palindrome (4436556344).

The spelling of 3113323231 in words is "three billion, one hundred thirteen million, three hundred twenty-three thousand, two hundred thirty-one".