3123113213 has 48 divisors (see below), whose sum is σ = 3719471616. Its totient is φ = 2613600000.

The previous prime is 3123113209. The next prime is 3123113233.

3123113213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3123113213 - 2² = 3123113209 is a prime.

It is a super-2 number, since 2×3123113213² = 19507672282430366738, 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 (3123113233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11524268 + ... + 11524538.

It is an arithmetic number, because the mean of its divisors is an integer number (77488992).

Almost surely, 2^3123113213 is an apocalyptic number.

It is an amenable number.

3123113213 is a deficient number, since it is larger than the sum of its proper divisors (596358403).

3123113213 is a wasteful number, since it uses less digits than its factorization.

3123113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 447 counting only the distinct ones).

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

The square root of 3123113213 is about 55884.8209534575. The cubic root of 3123113213 is about 1461.7145699403.

It can be divided in two parts, 31231 and 13213, that added together give a palindrome (44444).

The spelling of 3123113213 in words is "three billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred thirteen".