2311302321313 has 8 divisors (see below), whose sum is σ = 2313133903080. Its totient is φ = 2309471041920.

The previous prime is 2311302321301. The next prime is 2311302321331. The reversal of 2311302321313 is 3131232031132.

It can be written as a sum of positive squares in 4 ways, for example, as 27918399744 + 2283383921569 = 167088^2 + 1511087^2 .

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 2311302321313 - 2⁴¹ = 112279065761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311302321353) 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, 16674573 + ... + 16812613.

It is an arithmetic number, because the mean of its divisors is an integer number (289141737885).

Almost surely, 2^{2311302321313} is an apocalyptic number.

It is an amenable number.

2311302321313 is a deficient number, since it is larger than the sum of its proper divisors (1831581767).

2311302321313 is a wasteful number, since it uses less digits than its factorization.

2311302321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151187.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2311302321313 its reverse (3131232031132), we get a palindrome (5442534352445).

The spelling of 2311302321313 in words is "two trillion, three hundred eleven billion, three hundred two million, three hundred twenty-one thousand, three hundred thirteen".