31032313123312 has 10 divisors (see below), whose sum is σ = 60125106676448. Its totient is φ = 15516156561648.

The previous prime is 31032313123261. The next prime is 31032313123313. The reversal of 31032313123312 is 21332131323013.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032313123313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969759785088 + ... + 969759785119.

Almost surely, 2^{31032313123312} is an apocalyptic number.

It is an amenable number.

31032313123312 is a deficient number, since it is larger than the sum of its proper divisors (29092793553136).

31032313123312 is a wasteful number, since it uses less digits than its factorization.

31032313123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939519570215 (or 1939519570209 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31032313123312 its reverse (21332131323013), we get a palindrome (52364444446325).

The spelling of 31032313123312 in words is "thirty-one trillion, thirty-two billion, three hundred thirteen million, one hundred twenty-three thousand, three hundred twelve".