13103042399 has 4 divisors (see below), whose sum is σ = 13298610264. Its totient is φ = 12907474536.

The previous prime is 13103042389. The next prime is 13103042401. The reversal of 13103042399 is 99324030131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99324030131 = 1091 ⋅91039441.

It is a cyclic number.

It is not a de Polignac number, because 13103042399 - 2²⁴ = 13086265183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103042389) 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, 97783832 + ... + 97783965.

It is an arithmetic number, because the mean of its divisors is an integer number (3324652566).

Almost surely, 2^13103042399 is an apocalyptic number.

13103042399 is a deficient number, since it is larger than the sum of its proper divisors (195567865).

13103042399 is an equidigital number, since it uses as much as digits as its factorization.

13103042399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195567864.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 13103042399 in words is "thirteen billion, one hundred three million, forty-two thousand, three hundred ninety-nine".