31112322230332 has 12 divisors (see below), whose sum is σ = 62224644460720. Its totient is φ = 13333852384416.

The previous prime is 31112322230317. The next prime is 31112322230419. The reversal of 31112322230332 is 23303222321113.

It is a happy number.

31112322230332 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1111154365369 = 31112322230332 / (3 + 1 + 1 + 1 + 2 + 3 + 2 + 2 + 2 + 3 + 0 + 3 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 31112322230332.

It is a congruent number.

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, 555577182657 + ... + 555577182712.

Almost surely, 2^{31112322230332} is an apocalyptic number.

It is an amenable number.

31112322230332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31112322230332 is a wasteful number, since it uses less digits than its factorization.

31112322230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111154365380 (or 1111154365378 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31112322230332 its reverse (23303222321113), we get a palindrome (54415544551445).

The spelling of 31112322230332 in words is "thirty-one trillion, one hundred twelve billion, three hundred twenty-two million, two hundred thirty thousand, three hundred thirty-two".