31234412 has 24 divisors (see below), whose sum is σ = 60070080. Its totient is φ = 14092560.

The previous prime is 31234409. The next prime is 31234417. The reversal of 31234412 is 21443213.

It is not an unprimeable number, because it can be changed into a prime (31234417) 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, 3563 + ... + 8669.

It is an arithmetic number, because the mean of its divisors is an integer number (2502920).

Almost surely, 2^31234412 is an apocalyptic number.

It is an amenable number.

31234412 is a deficient number, since it is larger than the sum of its proper divisors (28835668).

31234412 is a wasteful number, since it uses less digits than its factorization.

31234412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5259 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 31234412 is about 5588.7755367343. The cubic root of 31234412 is about 314.9278813650.

Adding to 31234412 its reverse (21443213), we get a palindrome (52677625).

The spelling of 31234412 in words is "thirty-one million, two hundred thirty-four thousand, four hundred twelve".