315421244 has 12 divisors (see below), whose sum is σ = 552132000. Its totient is φ = 157669248.

The previous prime is 315421237. The next prime is 315421273. The reversal of 315421244 is 442124513.

It is a super-2 number, since 2×315421244² = 198981122333015072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12332 + ... + 27980.

It is an arithmetic number, because the mean of its divisors is an integer number (46011000).

Almost surely, 2^315421244 is an apocalyptic number.

It is an amenable number.

315421244 is a deficient number, since it is larger than the sum of its proper divisors (236710756).

315421244 is a wasteful number, since it uses less digits than its factorization.

315421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20692 (or 20690 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 315421244 is about 17760.1025897938. The cubic root of 315421244 is about 680.7123762827.

Adding to 315421244 its reverse (442124513), we get a palindrome (757545757).

The spelling of 315421244 in words is "three hundred fifteen million, four hundred twenty-one thousand, two hundred forty-four".