320040013113 has 12 divisors (see below), whose sum is σ = 479401501488. Its totient is φ = 213360008580.

The previous prime is 320040013061. The next prime is 320040013127. The reversal of 320040013113 is 311310040023.

It is not a de Polignac number, because 320040013113 - 2⁹ = 320040012601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320040012113) 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, 658518303 + ... + 658518788.

It is an arithmetic number, because the mean of its divisors is an integer number (39950125124).

Almost surely, 2^320040013113 is an apocalyptic number.

It is an amenable number.

320040013113 is a deficient number, since it is larger than the sum of its proper divisors (159361488375).

320040013113 is an equidigital number, since it uses as much as digits as its factorization.

320040013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317037106 (or 1317037094 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320040013113 its reverse (311310040023), we get a palindrome (631350053136).

The spelling of 320040013113 in words is "three hundred twenty billion, forty million, thirteen thousand, one hundred thirteen".