31032412 has 24 divisors (see below), whose sum is σ = 58844016. Its totient is φ = 14262528.

The previous prime is 31032389. The next prime is 31032413. The reversal of 31032412 is 21423013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383 + ... + 8230.

It is an arithmetic number, because the mean of its divisors is an integer number (2451834).

Almost surely, 2^31032412 is an apocalyptic number.

It is an amenable number.

31032412 is a deficient number, since it is larger than the sum of its proper divisors (27811604).

31032412 is a wasteful number, since it uses less digits than its factorization.

31032412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677 (or 10675 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31032412 is about 5570.6742859370. The cubic root of 31032412 is about 314.2475092875.

Adding to 31032412 its reverse (21423013), we get a palindrome (52455425).

The spelling of 31032412 in words is "thirty-one million, thirty-two thousand, four hundred twelve".