31212933294 has 16 divisors (see below), whose sum is σ = 62429644368. Its totient is φ = 10403681472.

The previous prime is 31212933293. The next prime is 31212933313. The reversal of 31212933294 is 49233921213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212933293) 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, 43677 + ... + 253640.

It is an arithmetic number, because the mean of its divisors is an integer number (3901852773).

Almost surely, 2^31212933294 is an apocalyptic number.

31212933294 is an abundant number, since it is smaller than the sum of its proper divisors (31216711074).

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

31212933294 is a wasteful number, since it uses less digits than its factorization.

31212933294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314819.

The product of its digits is 69984, while the sum is 39.

The spelling of 31212933294 in words is "thirty-one billion, two hundred twelve million, nine hundred thirty-three thousand, two hundred ninety-four".