315522231253403 has 4 divisors (see below), whose sum is σ = 315522490485048. Its totient is φ = 315521972021760.

The previous prime is 315522231253391. The next prime is 315522231253441. The reversal of 315522231253403 is 304352132225513.

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 315522231253403 - 2⁴ = 315522231253387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315522231153403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127781453 + ... + 130227278.

It is an arithmetic number, because the mean of its divisors is an integer number (78880622621262).

Almost surely, 2^{315522231253403} is an apocalyptic number.

315522231253403 is a deficient number, since it is larger than the sum of its proper divisors (259231645).

315522231253403 is a wasteful number, since it uses less digits than its factorization.

315522231253403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259231644.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 315522231253403 its reverse (304352132225513), we get a palindrome (619874363478916).

The spelling of 315522231253403 in words is "three hundred fifteen trillion, five hundred twenty-two billion, two hundred thirty-one million, two hundred fifty-three thousand, four hundred three".