31213112242332 has 12 divisors (see below), whose sum is σ = 72830595232136. Its totient is φ = 10404370747440.

The previous prime is 31213112242297. The next prime is 31213112242373. The reversal of 31213112242332 is 23324221131213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 31213112242332.

It is a congruent number.

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, 1300546343419 + ... + 1300546343442.

Almost surely, 2^{31213112242332} is an apocalyptic number.

It is an amenable number.

31213112242332 is an abundant number, since it is smaller than the sum of its proper divisors (41617482989804).

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

31213112242332 is a wasteful number, since it uses less digits than its factorization.

31213112242332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601092686868 (or 2601092686866 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 31213112242332 its reverse (23324221131213), we get a palindrome (54537333373545).

The spelling of 31213112242332 in words is "thirty-one trillion, two hundred thirteen billion, one hundred twelve million, two hundred forty-two thousand, three hundred thirty-two".