13313031212 has 48 divisors (see below), whose sum is σ = 26224696512. Its totient is φ = 5867473920.

The previous prime is 13313031197. The next prime is 13313031227. The reversal of 13313031212 is 21213031331.

It is an interprime number because it is at equal distance from previous prime (13313031197) and next prime (13313031227).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728912 + ... + 746952.

It is an arithmetic number, because the mean of its divisors is an integer number (546347844).

Almost surely, 2^13313031212 is an apocalyptic number.

It is an amenable number.

13313031212 is a deficient number, since it is larger than the sum of its proper divisors (12911665300).

13313031212 is a wasteful number, since it uses less digits than its factorization.

13313031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18698 (or 18696 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13313031212 its reverse (21213031331), we get a palindrome (34526062543).

The spelling of 13313031212 in words is "thirteen billion, three hundred thirteen million, thirty-one thousand, two hundred twelve".