3131372 has 12 divisors (see below), whose sum is σ = 5656896. Its totient is φ = 1515120.

The previous prime is 3131369. The next prime is 3131377. The reversal of 3131372 is 2731313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3131377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12503 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (471408).

Almost surely, 2^3131372 is an apocalyptic number.

It is an amenable number.

3131372 is a deficient number, since it is larger than the sum of its proper divisors (2525524).

3131372 is a wasteful number, since it uses less digits than its factorization.

3131372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25288 (or 25286 counting only the distinct ones).

The product of its digits is 378, while the sum is 20.

The square root of 3131372 is about 1769.5683089387. The cubic root of 3131372 is about 146.3001892662.

Adding to 3131372 its reverse (2731313), we get a palindrome (5862685).

The spelling of 3131372 in words is "three million, one hundred thirty-one thousand, three hundred seventy-two".