310021013122313 has 4 divisors (see below), whose sum is σ = 310021048823700. Its totient is φ = 310020977420928.

The previous prime is 310021013122277. The next prime is 310021013122333. The reversal of 310021013122313 is 313221310120013.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 138337304609344 + 171683708512969 = 11761688^2 + 13102813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310021013122313 is a prime.

It is a super-2 number, since 2×310021013122313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (310021013122333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4519781 + ... + 25307517.

It is an arithmetic number, because the mean of its divisors is an integer number (77505262205925).

Almost surely, 2^{310021013122313} is an apocalyptic number.

It is an amenable number.

310021013122313 is a deficient number, since it is larger than the sum of its proper divisors (35701387).

310021013122313 is a wasteful number, since it uses less digits than its factorization.

310021013122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35701386.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 310021013122313 its reverse (313221310120013), we get a palindrome (623242323242326).

The spelling of 310021013122313 in words is "three hundred ten trillion, twenty-one billion, thirteen million, one hundred twenty-two thousand, three hundred thirteen".