315223221153 has 4 divisors (see below), whose sum is σ = 420297628208. Its totient is φ = 210148814100.

The previous prime is 315223221121. The next prime is 315223221167. The reversal of 315223221153 is 351122322513.

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 not a de Polignac number, because 315223221153 - 2⁵ = 315223221121 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 315223221153.

It is not an unprimeable number, because it can be changed into a prime (315223221193) 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, 52537203523 + ... + 52537203528.

It is an arithmetic number, because the mean of its divisors is an integer number (105074407052).

Almost surely, 2^315223221153 is an apocalyptic number.

It is an amenable number.

315223221153 is a deficient number, since it is larger than the sum of its proper divisors (105074407055).

315223221153 is a wasteful number, since it uses less digits than its factorization.

315223221153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105074407054.

The product of its digits is 10800, while the sum is 30.

Adding to 315223221153 its reverse (351122322513), we get a palindrome (666345543666).

The spelling of 315223221153 in words is "three hundred fifteen billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred fifty-three".