313420742 has 4 divisors (see below), whose sum is σ = 470131116. Its totient is φ = 156710370.

The previous prime is 313420739. The next prime is 313420771. The reversal of 313420742 is 247024313.

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, 78355184 + ... + 78355187.

It is an arithmetic number, because the mean of its divisors is an integer number (117532779).

Almost surely, 2^313420742 is an apocalyptic number.

313420742 is a deficient number, since it is larger than the sum of its proper divisors (156710374).

313420742 is a wasteful number, since it uses less digits than its factorization.

313420742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156710373.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 313420742 is about 17703.6928915975. The cubic root of 313420742 is about 679.2702248719.

The spelling of 313420742 in words is "three hundred thirteen million, four hundred twenty thousand, seven hundred forty-two".