315122340203 has 4 divisors (see below), whose sum is σ = 343769825688. Its totient is φ = 286474854720.

The previous prime is 315122340161. The next prime is 315122340209. The reversal of 315122340203 is 302043221513.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 315122340203 - 2¹⁶ = 315122274667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315122340209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14323742726 + ... + 14323742747.

It is an arithmetic number, because the mean of its divisors is an integer number (85942456422).

Almost surely, 2^315122340203 is an apocalyptic number.

315122340203 is a deficient number, since it is larger than the sum of its proper divisors (28647485485).

315122340203 is a wasteful number, since it uses less digits than its factorization.

315122340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28647485484.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 315122340203 its reverse (302043221513), we get a palindrome (617165561716).

The spelling of 315122340203 in words is "three hundred fifteen billion, one hundred twenty-two million, three hundred forty thousand, two hundred three".