312426550313 has 4 divisors (see below), whose sum is σ = 312465162948. Its totient is φ = 312387937680.

The previous prime is 312426550301. The next prime is 312426550351. The reversal of 312426550313 is 313055624213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182968351504 + 129458198809 = 427748^2 + 359803^2 .

It is a cyclic number.

It is not a de Polignac number, because 312426550313 - 2⁸ = 312426550057 is a prime.

It is a super-2 number, since 2×312426550313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312426550393) 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, 19294178 + ... + 19310363.

It is an arithmetic number, because the mean of its divisors is an integer number (78116290737).

Almost surely, 2^312426550313 is an apocalyptic number.

It is an amenable number.

312426550313 is a deficient number, since it is larger than the sum of its proper divisors (38612635).

312426550313 is an equidigital number, since it uses as much as digits as its factorization.

312426550313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38612634.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 312426550313 in words is "three hundred twelve billion, four hundred twenty-six million, five hundred fifty thousand, three hundred thirteen".