315243055 has 8 divisors (see below), whose sum is σ = 387518544. Its totient is φ = 246043200.

The previous prime is 315243043. The next prime is 315243133. The reversal of 315243055 is 550342513.

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

It is not a de Polignac number, because 315243055 - 2⁵ = 315243023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768681 + ... + 769090.

It is an arithmetic number, because the mean of its divisors is an integer number (48439818).

Almost surely, 2^315243055 is an apocalyptic number.

315243055 is a deficient number, since it is larger than the sum of its proper divisors (72275489).

315243055 is a wasteful number, since it uses less digits than its factorization.

315243055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537817.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 315243055 is about 17755.0853278716. The cubic root of 315243055 is about 680.5841685732.

Adding to 315243055 its reverse (550342513), we get a palindrome (865585568).

The spelling of 315243055 in words is "three hundred fifteen million, two hundred forty-three thousand, fifty-five".