13312120113 has 24 divisors (see below), whose sum is σ = 21244923648. Its totient is φ = 7989539712.

The previous prime is 13312120091. The next prime is 13312120123. The reversal of 13312120113 is 31102121331.

It is not a de Polignac number, because 13312120113 - 2⁶ = 13312120049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13312120123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1887945 + ... + 1894982.

It is an arithmetic number, because the mean of its divisors is an integer number (885205152).

Almost surely, 2^13312120113 is an apocalyptic number.

It is an amenable number.

13312120113 is a deficient number, since it is larger than the sum of its proper divisors (7932803535).

13312120113 is a wasteful number, since it uses less digits than its factorization.

13312120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782973 (or 3782970 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13312120113 its reverse (31102121331), we get a palindrome (44414241444).

The spelling of 13312120113 in words is "thirteen billion, three hundred twelve million, one hundred twenty thousand, one hundred thirteen".