313245512 has 8 divisors (see below), whose sum is σ = 587335350. Its totient is φ = 156622752.

The previous prime is 313245511. The next prime is 313245523. The reversal of 313245512 is 215542313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 179935396 + 133310116 = 13414^2 + 11546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (313245511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19577837 + ... + 19577852.

Almost surely, 2^313245512 is an apocalyptic number.

It is an amenable number.

313245512 is a deficient number, since it is larger than the sum of its proper divisors (274089838).

313245512 is a wasteful number, since it uses less digits than its factorization.

313245512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39155695 (or 39155691 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 313245512 is about 17698.7432322185. The cubic root of 313245512 is about 679.1436105003.

Adding to 313245512 its reverse (215542313), we get a palindrome (528787825).

The spelling of 313245512 in words is "three hundred thirteen million, two hundred forty-five thousand, five hundred twelve".