31313203112332 has 12 divisors (see below), whose sum is σ = 54798951797856. Its totient is φ = 15656359741520.

The previous prime is 31313203112299. The next prime is 31313203112381. The reversal of 31313203112332 is 23321130231313.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31313203112332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60162148 + ... + 60680395.

It is an arithmetic number, because the mean of its divisors is an integer number (4566579316488).

Almost surely, 2^{31313203112332} is an apocalyptic number.

It is an amenable number.

31313203112332 is a deficient number, since it is larger than the sum of its proper divisors (23485748685524).

31313203112332 is a wasteful number, since it uses less digits than its factorization.

31313203112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120907328 (or 120907326 counting only the distinct ones).

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

Adding to 31313203112332 its reverse (23321130231313), we get a palindrome (54634333343645).

The spelling of 31313203112332 in words is "thirty-one trillion, three hundred thirteen billion, two hundred three million, one hundred twelve thousand, three hundred thirty-two".