3213250131 has 64 divisors (see below), whose sum is σ = 5389655040. Its totient is φ = 1657843200.

The previous prime is 3213250069. The next prime is 3213250177. The reversal of 3213250131 is 1310523123.

It is not a de Polignac number, because 3213250131 - 2⁶ = 3213250067 is a prime.

It is a super-2 number, since 2×3213250131² = 20649952808743034322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3213250098 and 3213250107.

It is not an unprimeable number, because it can be changed into a prime (3213250181) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2469181 + ... + 2470481.

It is an arithmetic number, because the mean of its divisors is an integer number (84213360).

Almost surely, 2^3213250131 is an apocalyptic number.

3213250131 is a deficient number, since it is larger than the sum of its proper divisors (2176404909).

3213250131 is a wasteful number, since it uses less digits than its factorization.

3213250131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3213250131 is about 56685.5372295262. The cubic root of 3213250131 is about 1475.6437111439.

Adding to 3213250131 its reverse (1310523123), we get a palindrome (4523773254).

The spelling of 3213250131 in words is "three billion, two hundred thirteen million, two hundred fifty thousand, one hundred thirty-one".