45388431313 has 4 divisors (see below), whose sum is σ = 45395017200. Its totient is φ = 45381845428.

The previous prime is 45388431307. The next prime is 45388431323. The reversal of 45388431313 is 31313488354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45388431313 - 2²⁵ = 45354876881 is a prime.

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 45388431313.

It is not an unprimeable number, because it can be changed into a prime (45388431323) 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, 3282595 + ... + 3296392.

It is an arithmetic number, because the mean of its divisors is an integer number (11348754300).

Almost surely, 2^45388431313 is an apocalyptic number.

It is an amenable number.

45388431313 is a deficient number, since it is larger than the sum of its proper divisors (6585887).

45388431313 is an equidigital number, since it uses as much as digits as its factorization.

45388431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585886.

The product of its digits is 414720, while the sum is 43.

The spelling of 45388431313 in words is "forty-five billion, three hundred eighty-eight million, four hundred thirty-one thousand, three hundred thirteen".