31301212013332 has 24 divisors (see below), whose sum is σ = 57662169031040. Its totient is φ = 14826364908480.

The previous prime is 31301212013321. The next prime is 31301212013359. The reversal of 31301212013332 is 23331021210313.

It is a junction number, because it is equal to n+sod(n) for n = 31301212013297 and 31301212013306.

It is a congruent number.

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, 5126844 + ... + 9427987.

Almost surely, 2^{31301212013332} is an apocalyptic number.

It is an amenable number.

31301212013332 is a deficient number, since it is larger than the sum of its proper divisors (26360957017708).

31301212013332 is a wasteful number, since it uses less digits than its factorization.

31301212013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14583151 (or 14583149 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31301212013332 its reverse (23331021210313), we get a palindrome (54632233223645).

The spelling of 31301212013332 in words is "thirty-one trillion, three hundred one billion, two hundred twelve million, thirteen thousand, three hundred thirty-two".