13301331123 has 4 divisors (see below), whose sum is σ = 17735108168. Its totient is φ = 8867554080.

The previous prime is 13301331119. The next prime is 13301331137. The reversal of 13301331123 is 32113310331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13301331123 - 2² = 13301331119 is a prime.

It is a super-2 number, since 2×13301331123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13301331123.

It is not an unprimeable number, because it can be changed into a prime (13301331143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216888518 + ... + 2216888523.

It is an arithmetic number, because the mean of its divisors is an integer number (4433777042).

Almost surely, 2^13301331123 is an apocalyptic number.

13301331123 is a deficient number, since it is larger than the sum of its proper divisors (4433777045).

13301331123 is an equidigital number, since it uses as much as digits as its factorization.

13301331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433777044.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13301331123 its reverse (32113310331), we get a palindrome (45414641454).

The spelling of 13301331123 in words is "thirteen billion, three hundred one million, three hundred thirty-one thousand, one hundred twenty-three".