315220567463 has 4 divisors (see below), whose sum is σ = 319925352120. Its totient is φ = 310515782808.

The previous prime is 315220567451. The next prime is 315220567469. The reversal of 315220567463 is 364765022513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364765022513 = 2557 ⋅142653509.

It is a cyclic number.

It is not a de Polignac number, because 315220567463 - 2²⁴ = 315203790247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315220567469) 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, 2352392228 + ... + 2352392361.

It is an arithmetic number, because the mean of its divisors is an integer number (79981338030).

Almost surely, 2^315220567463 is an apocalyptic number.

315220567463 is a deficient number, since it is larger than the sum of its proper divisors (4704784657).

315220567463 is an equidigital number, since it uses as much as digits as its factorization.

315220567463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704784656.

The product of its (nonzero) digits is 907200, while the sum is 44.

Adding to 315220567463 its reverse (364765022513), we get a palindrome (679985589976).

The spelling of 315220567463 in words is "three hundred fifteen billion, two hundred twenty million, five hundred sixty-seven thousand, four hundred sixty-three".