312302013 has 4 divisors (see below), whose sum is σ = 416402688. Its totient is φ = 208201340.

The previous prime is 312301987. The next prime is 312302033. The reversal of 312302013 is 310203213.

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 312302013 - 2⁸ = 312301757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312301983 and 312302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312302033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52050333 + ... + 52050338.

It is an arithmetic number, because the mean of its divisors is an integer number (104100672).

Almost surely, 2^312302013 is an apocalyptic number.

It is an amenable number.

312302013 is a deficient number, since it is larger than the sum of its proper divisors (104100675).

312302013 is a wasteful number, since it uses less digits than its factorization.

312302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104100674.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 312302013 is about 17672.0687244024. The cubic root of 312302013 is about 678.4610620324.

Adding to 312302013 its reverse (310203213), we get a palindrome (622505226).

The spelling of 312302013 in words is "three hundred twelve million, three hundred two thousand, thirteen".