313007042 has 4 divisors (see below), whose sum is σ = 469510566. Its totient is φ = 156503520.

The previous prime is 313007033. The next prime is 313007059. The reversal of 313007042 is 240700313.

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., 293813881 + 19193161 = 17141^2 + 4381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78251759 + ... + 78251762.

Almost surely, 2^313007042 is an apocalyptic number.

313007042 is a deficient number, since it is larger than the sum of its proper divisors (156503524).

313007042 is a wasteful number, since it uses less digits than its factorization.

313007042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156503523.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 313007042 is about 17692.0050305216. The cubic root of 313007042 is about 678.9712254900.

Adding to 313007042 its reverse (240700313), we get a palindrome (553707355).

The spelling of 313007042 in words is "three hundred thirteen million, seven thousand, forty-two".