3131202213 has 24 divisors (see below), whose sum is σ = 4732732160. Its totient is φ = 1992444480.

The previous prime is 3131202203. The next prime is 3131202227. The reversal of 3131202213 is 3122021313.

3131202213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131202213 - 2⁴ = 3131202197 is a prime.

It is a super-3 number, since 3×3131202213³ (a number of 29 digits) contains 333 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 (3131202203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56503 + ... + 97236.

Almost surely, 2^3131202213 is an apocalyptic number.

It is an amenable number.

3131202213 is a deficient number, since it is larger than the sum of its proper divisors (1601529947).

3131202213 is a wasteful number, since it uses less digits than its factorization.

3131202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153849 (or 153846 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3131202213 is about 55957.1462192274. The cubic root of 3131202213 is about 1462.9754502385.

Adding to 3131202213 its reverse (3122021313), we get a palindrome (6253223526).

Subtracting from 3131202213 its reverse (3122021313), we obtain a square (9180900 = 3030²).

The spelling of 3131202213 in words is "three billion, one hundred thirty-one million, two hundred two thousand, two hundred thirteen".