13313120232 has 32 divisors (see below), whose sum is σ = 33536875680. Its totient is φ = 4403830080.

The previous prime is 13313120207. The next prime is 13313120251. The reversal of 13313120232 is 23202131331.

It is a junction number, because it is equal to n+sod(n) for n = 13313120199 and 13313120208.

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, 2114083 + ... + 2120370.

It is an arithmetic number, because the mean of its divisors is an integer number (1048027365).

Almost surely, 2^13313120232 is an apocalyptic number.

13313120232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13313120232 is an abundant number, since it is smaller than the sum of its proper divisors (20223755448).

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

13313120232 is a wasteful number, since it uses less digits than its factorization.

13313120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234593 (or 4234589 counting only the distinct ones).

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

Adding to 13313120232 its reverse (23202131331), we get a palindrome (36515251563).

The spelling of 13313120232 in words is "thirteen billion, three hundred thirteen million, one hundred twenty thousand, two hundred thirty-two".