13000312332 has 36 divisors (see below), whose sum is σ = 37556458576. Its totient is φ = 3714374880.

The previous prime is 13000312313. The next prime is 13000312337. The reversal of 13000312332 is 23321300031.

13000312332 is a `hidden beast` number, since 1 + 300 + 0 + 31 + 2 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13000312337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25794019 + ... + 25794522.

Almost surely, 2^13000312332 is an apocalyptic number.

13000312332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13000312332 is an abundant number, since it is smaller than the sum of its proper divisors (24556146244).

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

13000312332 is a wasteful number, since it uses less digits than its factorization.

13000312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51588558 (or 51588553 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13000312332 its reverse (23321300031), we get a palindrome (36321612363).

The spelling of 13000312332 in words is "thirteen billion, three hundred twelve thousand, three hundred thirty-two".