312700613 has 4 divisors (see below), whose sum is σ = 329158560. Its totient is φ = 296242668.

The previous prime is 312700603. The next prime is 312700621. The reversal of 312700613 is 316007213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312700613 - 2¹⁶ = 312635077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312700603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228945 + ... + 8228982.

It is an arithmetic number, because the mean of its divisors is an integer number (82289640).

Almost surely, 2^312700613 is an apocalyptic number.

It is an amenable number.

312700613 is a deficient number, since it is larger than the sum of its proper divisors (16457947).

312700613 is a wasteful number, since it uses less digits than its factorization.

312700613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457946.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 312700613 is about 17683.3428118102. The cubic root of 312700613 is about 678.7495857425.

Adding to 312700613 its reverse (316007213), we get a palindrome (628707826).

It can be divided in two parts, 312700 and 613, that added together give a palindrome (313313).

The spelling of 312700613 in words is "three hundred twelve million, seven hundred thousand, six hundred thirteen".