313223012 has 6 divisors (see below), whose sum is σ = 548140278. Its totient is φ = 156611504.

The previous prime is 313222967. The next prime is 313223041. The reversal of 313223012 is 210322313.

It can be written as a sum of positive squares in only one way, i.e., 306390016 + 6832996 = 17504^2 + 2614^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39152873 + ... + 39152880.

It is an arithmetic number, because the mean of its divisors is an integer number (91356713).

Almost surely, 2^313223012 is an apocalyptic number.

It is an amenable number.

313223012 is a deficient number, since it is larger than the sum of its proper divisors (234917266).

313223012 is a wasteful number, since it uses less digits than its factorization.

313223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78305757 (or 78305755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313223012 is about 17698.1075824507. The cubic root of 313223012 is about 679.1273494563.

Adding to 313223012 its reverse (210322313), we get a palindrome (523545325).

The spelling of 313223012 in words is "three hundred thirteen million, two hundred twenty-three thousand, twelve".