315050402 has 4 divisors (see below), whose sum is σ = 472575606. Its totient is φ = 157525200.

The previous prime is 315050401. The next prime is 315050423. The reversal of 315050402 is 204050513.

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

It can be written as a sum of positive squares in only one way, i.e., 311204881 + 3845521 = 17641^2 + 1961^2 .

It is not an unprimeable number, because it can be changed into a prime (315050401) 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 as a sum of consecutive naturals, namely, 78762599 + ... + 78762602.

Almost surely, 2^315050402 is an apocalyptic number.

315050402 is a deficient number, since it is larger than the sum of its proper divisors (157525204).

315050402 is a wasteful number, since it uses less digits than its factorization.

315050402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157525203.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 315050402 is about 17749.6592079961. The cubic root of 315050402 is about 680.4454995913.

The spelling of 315050402 in words is "three hundred fifteen million, fifty thousand, four hundred two".