313243242 has 16 divisors (see below), whose sum is σ = 674677920. Its totient is φ = 96382512.

The previous prime is 313243223. The next prime is 313243283. The reversal of 313243242 is 242342313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007892 + ... + 2008047.

It is an arithmetic number, because the mean of its divisors is an integer number (42167370).

Almost surely, 2^313243242 is an apocalyptic number.

313243242 is an abundant number, since it is smaller than the sum of its proper divisors (361434678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313243242 is a wasteful number, since it uses less digits than its factorization.

313243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015957.

The product of its digits is 3456, while the sum is 24.

The square root of 313243242 is about 17698.6791032551. The cubic root of 313243242 is about 679.1419699770.

Adding to 313243242 its reverse (242342313), we get a palindrome (555585555).

The spelling of 313243242 in words is "three hundred thirteen million, two hundred forty-three thousand, two hundred forty-two".