13331022312 has 32 divisors (see below), whose sum is σ = 33784102080. Its totient is φ = 4382801280.

The previous prime is 13331022283. The next prime is 13331022323. The reversal of 13331022312 is 21322013331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802764 + ... + 3806267.

It is an arithmetic number, because the mean of its divisors is an integer number (1055753190).

Almost surely, 2^13331022312 is an apocalyptic number.

13331022312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13331022312 is an abundant number, since it is smaller than the sum of its proper divisors (20453079768).

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

13331022312 is a wasteful number, since it uses less digits than its factorization.

13331022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609113 (or 7609109 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13331022312 its reverse (21322013331), we get a palindrome (34653035643).

The spelling of 13331022312 in words is "thirteen billion, three hundred thirty-one million, twenty-two thousand, three hundred twelve".