315443074 has 16 divisors (see below), whose sum is σ = 480372480. Its totient is φ = 155325600.

The previous prime is 315443071. The next prime is 315443113. The reversal of 315443074 is 470344513.

It is not an unprimeable number, because it can be changed into a prime (315443071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132999 + ... + 135349.

It is an arithmetic number, because the mean of its divisors is an integer number (30023280).

Almost surely, 2^315443074 is an apocalyptic number.

315443074 is a deficient number, since it is larger than the sum of its proper divisors (164929406).

315443074 is a wasteful number, since it uses less digits than its factorization.

315443074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 315443074 is about 17760.7171589438. The cubic root of 315443074 is about 680.7280797360.

Adding to 315443074 its reverse (470344513), we get a palindrome (785787587).

The spelling of 315443074 in words is "three hundred fifteen million, four hundred forty-three thousand, seventy-four".