31322323012332 has 48 divisors (see below), whose sum is σ = 79730298369792. Its totient is φ = 9491523881280.

The previous prime is 31322323012327. The next prime is 31322323012373. The reversal of 31322323012332 is 23321032322313.

It is a self number, because there is not a number n which added to its sum of digits gives 31322323012332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13739238 + ... + 15855954.

It is an arithmetic number, because the mean of its divisors is an integer number (1661047882704).

Almost surely, 2^{31322323012332} is an apocalyptic number.

It is an amenable number.

31322323012332 is an abundant number, since it is smaller than the sum of its proper divisors (48407975357460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31322323012332 is a wasteful number, since it uses less digits than its factorization.

31322323012332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228838 (or 2228836 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 31322323012332 its reverse (23321032322313), we get a palindrome (54643355334645).

The spelling of 31322323012332 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred twenty-three million, twelve thousand, three hundred thirty-two".