3113213131 has 16 divisors (see below), whose sum is σ = 3596959744. Its totient is φ = 2639373984.

The previous prime is 3113213101. The next prime is 3113213143. The reversal of 3113213131 is 1313123113.

It is a cyclic number.

It is not a de Polignac number, because 3113213131 - 2²⁷ = 2978995403 is a prime.

It is a super-2 number, since 2×3113213131² = 19384191998061646322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3113213099 and 3113213108.

It is not an unprimeable number, because it can be changed into a prime (3113213101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238726 + ... + 251428.

It is an arithmetic number, because the mean of its divisors is an integer number (224809984).

Almost surely, 2^3113213131 is an apocalyptic number.

3113213131 is a deficient number, since it is larger than the sum of its proper divisors (483746613).

3113213131 is a wasteful number, since it uses less digits than its factorization.

3113213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090.

The product of its digits is 162, while the sum is 19.

The square root of 3113213131 is about 55796.1748778534. The cubic root of 3113213131 is about 1460.1684191463.

Adding to 3113213131 its reverse (1313123113), we get a palindrome (4426336244).

The spelling of 3113213131 in words is "three billion, one hundred thirteen million, two hundred thirteen thousand, one hundred thirty-one".