31334212 has 24 divisors (see below), whose sum is σ = 67489856. Its totient is φ = 12395808.

The previous prime is 31334197. The next prime is 31334231. The reversal of 31334212 is 21243313.

It is a self number, because there is not a number n which added to its sum of digits gives 31334212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42678 + ... + 43405.

Almost surely, 2^31334212 is an apocalyptic number.

It is an amenable number.

31334212 is an abundant number, since it is smaller than the sum of its proper divisors (36155644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31334212 is a wasteful number, since it uses less digits than its factorization.

31334212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86107 (or 86105 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 31334212 is about 5597.6970264565. The cubic root of 31334212 is about 315.2629432949.

Adding to 31334212 its reverse (21243313), we get a palindrome (52577525).

The spelling of 31334212 in words is "thirty-one million, three hundred thirty-four thousand, two hundred twelve".