31314240222212 has 12 divisors (see below), whose sum is σ = 54800198476800. Its totient is φ = 15657040657416.

The previous prime is 31314240222211. The next prime is 31314240222233. The reversal of 31314240222212 is 21222204241313.

It is not an unprimeable number, because it can be changed into a prime (31314240222211) 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, 18972212 + ... + 20556587.

It is an arithmetic number, because the mean of its divisors is an integer number (4566683206400).

Almost surely, 2^{31314240222212} is an apocalyptic number.

It is an amenable number.

31314240222212 is a deficient number, since it is larger than the sum of its proper divisors (23485958254588).

31314240222212 is a wasteful number, since it uses less digits than its factorization.

31314240222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39726850 (or 39726848 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 31314240222212 its reverse (21222204241313), we get a palindrome (52536444463525).

The spelling of 31314240222212 in words is "thirty-one trillion, three hundred fourteen billion, two hundred forty million, two hundred twenty-two thousand, two hundred twelve".