315210423505 has 8 divisors (see below), whose sum is σ = 378296557992. Its totient is φ = 252138972288.

The previous prime is 315210423503. The next prime is 315210423527. The reversal of 315210423505 is 505324012513.

It can be written as a sum of positive squares in 4 ways, for example, as 161051321344 + 154159102161 = 401312^2 + 392631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315210423505 - 2¹ = 315210423503 is a prime.

It is a super-2 number, since 2×315210423505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315210423503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623532 + ... + 3709501.

It is an arithmetic number, because the mean of its divisors is an integer number (47287069749).

Almost surely, 2^315210423505 is an apocalyptic number.

It is an amenable number.

315210423505 is a deficient number, since it is larger than the sum of its proper divisors (63086134487).

315210423505 is an equidigital number, since it uses as much as digits as its factorization.

315210423505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341635.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 315210423505 in words is "three hundred fifteen billion, two hundred ten million, four hundred twenty-three thousand, five hundred five".