315234406 has 4 divisors (see below), whose sum is σ = 472851612. Its totient is φ = 157617202.

The previous prime is 315234373. The next prime is 315234421. The reversal of 315234406 is 604432513.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78808600 + ... + 78808603.

It is an arithmetic number, because the mean of its divisors is an integer number (118212903).

Almost surely, 2^315234406 is an apocalyptic number.

315234406 is a deficient number, since it is larger than the sum of its proper divisors (157617206).

315234406 is a wasteful number, since it uses less digits than its factorization.

315234406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157617205.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 315234406 is about 17754.8417621786. The cubic root of 315234406 is about 680.5779443532.

Adding to 315234406 its reverse (604432513), we get a palindrome (919666919).

The spelling of 315234406 in words is "three hundred fifteen million, two hundred thirty-four thousand, four hundred six".