3251131 has 16 divisors (see below), whose sum is σ = 3798144. Its totient is φ = 2755584.

The previous prime is 3251111. The next prime is 3251137. The reversal of 3251131 is 1311523.

It is not a de Polignac number, because 3251131 - 2⁵ = 3251099 is a prime.

It is a super-2 number, since 2×3251131² = 21139705558322, which contains 22 as substring.

It is a Duffinian number.

3251131 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3251137) 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, 10231 + ... + 10543.

It is an arithmetic number, because the mean of its divisors is an integer number (237384).

Almost surely, 2^3251131 is an apocalyptic number.

3251131 is a deficient number, since it is larger than the sum of its proper divisors (547013).

3251131 is a wasteful number, since it uses less digits than its factorization.

3251131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its digits is 90, while the sum is 16.

The square root of 3251131 is about 1803.0892934073. The cubic root of 3251131 is about 148.1419839048.

Adding to 3251131 its reverse (1311523), we get a palindrome (4562654).

The spelling of 3251131 in words is "three million, two hundred fifty-one thousand, one hundred thirty-one".