315245545321 has 8 divisors (see below), whose sum is σ = 367078371264. Its totient is φ = 265112156400.

The previous prime is 315245545283. The next prime is 315245545337. The reversal of 315245545321 is 123545542513.

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

It is not a de Polignac number, because 315245545321 - 2⁷ = 315245545193 is a prime.

It is a super-3 number, since 3×315245545321³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315245549321) 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, 424858855 + ... + 424859596.

It is an arithmetic number, because the mean of its divisors is an integer number (45884796408).

Almost surely, 2^315245545321 is an apocalyptic number.

It is an amenable number.

315245545321 is a deficient number, since it is larger than the sum of its proper divisors (51832825943).

315245545321 is an equidigital number, since it uses as much as digits as its factorization.

315245545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849718511.

The product of its digits is 360000, while the sum is 40.

The spelling of 315245545321 in words is "three hundred fifteen billion, two hundred forty-five million, five hundred forty-five thousand, three hundred twenty-one".