2315221335313 has 8 divisors (see below), whose sum is σ = 2373929636328. Its totient is φ = 2257069511424.

The previous prime is 2315221335307. The next prime is 2315221335319. The reversal of 2315221335313 is 3135331225132.

It is an interprime number because it is at equal distance from previous prime (2315221335307) and next prime (2315221335319).

It can be written as a sum of positive squares in 4 ways, for example, as 531802645504 + 1783418689809 = 729248^2 + 1335447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2315221335313 - 2²⁵ = 2315187780881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315221335319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139110856 + ... + 139127497.

It is an arithmetic number, because the mean of its divisors is an integer number (296741204541).

Almost surely, 2^{2315221335313} is an apocalyptic number.

It is an amenable number.

2315221335313 is a deficient number, since it is larger than the sum of its proper divisors (58708301015).

2315221335313 is a wasteful number, since it uses less digits than its factorization.

2315221335313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278238563.

The product of its digits is 48600, while the sum is 34.

The spelling of 2315221335313 in words is "two trillion, three hundred fifteen billion, two hundred twenty-one million, three hundred thirty-five thousand, three hundred thirteen".