31011213010332 has 24 divisors (see below), whose sum is σ = 72365478969616. Its totient is φ = 10336216439808.

The previous prime is 31011213010307. The next prime is 31011213010361. The reversal of 31011213010332 is 23301031211013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31011213010299 and 31011213010308.

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 7 ways as a sum of consecutive naturals, for example, 106669243 + ... + 106959570.

Almost surely, 2^{31011213010332} is an apocalyptic number.

It is an amenable number.

31011213010332 is an abundant number, since it is smaller than the sum of its proper divisors (41354265959284).

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

31011213010332 is a wasteful number, since it uses less digits than its factorization.

31011213010332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213640917 (or 213640915 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31011213010332 its reverse (23301031211013), we get a palindrome (54312244221345).

The spelling of 31011213010332 in words is "thirty-one trillion, eleven billion, two hundred thirteen million, ten thousand, three hundred thirty-two".