31311321312332 has 12 divisors (see below), whose sum is σ = 56684288582880. Its totient is φ = 15115810288656.

The previous prime is 31311321312281. The next prime is 31311321312367. The reversal of 31311321312332 is 23321312311313.

It is a super-2 number, since 2×31311321312332² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31311321312295 and 31311321312304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134962591748 + ... + 134962591979.

It is an arithmetic number, because the mean of its divisors is an integer number (4723690715240).

Almost surely, 2^{31311321312332} is an apocalyptic number.

It is an amenable number.

31311321312332 is a deficient number, since it is larger than the sum of its proper divisors (25372967270548).

31311321312332 is a wasteful number, since it uses less digits than its factorization.

31311321312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269925183760 (or 269925183758 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

Adding to 31311321312332 its reverse (23321312311313), we get a palindrome (54632633623645).

The spelling of 31311321312332 in words is "thirty-one trillion, three hundred eleven billion, three hundred twenty-one million, three hundred twelve thousand, three hundred thirty-two".