31013230232212 has 48 divisors (see below), whose sum is σ = 57111727381632. Its totient is φ = 14707496263680.

The previous prime is 31013230232209. The next prime is 31013230232219. The reversal of 31013230232212 is 21223203231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013230232219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2606412 + ... + 8295772.

It is an arithmetic number, because the mean of its divisors is an integer number (1189827653784).

Almost surely, 2^{31013230232212} is an apocalyptic number.

It is an amenable number.

31013230232212 is a deficient number, since it is larger than the sum of its proper divisors (26098497149420).

31013230232212 is a wasteful number, since it uses less digits than its factorization.

31013230232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689888 (or 5689886 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31013230232212 its reverse (21223203231013), we get a palindrome (52236433463225).

The spelling of 31013230232212 in words is "thirty-one trillion, thirteen billion, two hundred thirty million, two hundred thirty-two thousand, two hundred twelve".