312202313320313 has 4 divisors (see below), whose sum is σ = 336217875883428. Its totient is φ = 288186750757200.

The previous prime is 312202313320307. The next prime is 312202313320319. The reversal of 312202313320313 is 313023313202213.

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

It is an interprime number because it is at equal distance from previous prime (312202313320307) and next prime (312202313320319).

It can be written as a sum of positive squares in 2 ways, for example, as 28010048172304 + 284192265148009 = 5292452^2 + 16858003^2 .

It is a cyclic number.

It is not a de Polignac number, because 312202313320313 - 2¹² = 312202313316217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312202313320319) 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, 12007781281538 + ... + 12007781281563.

It is an arithmetic number, because the mean of its divisors is an integer number (84054468970857).

Almost surely, 2^{312202313320313} is an apocalyptic number.

It is an amenable number.

312202313320313 is a deficient number, since it is larger than the sum of its proper divisors (24015562563115).

312202313320313 is a wasteful number, since it uses less digits than its factorization.

312202313320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24015562563114.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 312202313320313 its reverse (313023313202213), we get a palindrome (625225626522526).

The spelling of 312202313320313 in words is "three hundred twelve trillion, two hundred two billion, three hundred thirteen million, three hundred twenty thousand, three hundred thirteen".