315103323445 has 4 divisors (see below), whose sum is σ = 378123988140. Its totient is φ = 252082658752.

The previous prime is 315103323439. The next prime is 315103323467. The reversal of 315103323445 is 544323301513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 250306093636 + 64797229809 = 500306^2 + 254553^2 .

It is a cyclic number.

It is not a de Polignac number, because 315103323445 - 2²⁹ = 314566452533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315103323445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31510332340 + ... + 31510332349.

It is an arithmetic number, because the mean of its divisors is an integer number (94530997035).

Almost surely, 2^315103323445 is an apocalyptic number.

It is an amenable number.

315103323445 is a deficient number, since it is larger than the sum of its proper divisors (63020664695).

315103323445 is an equidigital number, since it uses as much as digits as its factorization.

315103323445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63020664694.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 315103323445 its reverse (544323301513), we get a palindrome (859426624958).

The spelling of 315103323445 in words is "three hundred fifteen billion, one hundred three million, three hundred twenty-three thousand, four hundred forty-five".