310013010221 has 2 divisors, whose sum is σ = 310013010222. Its totient is φ = 310013010220.

The previous prime is 310013010217. The next prime is 310013010257. The reversal of 310013010221 is 122010310013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290937256996 + 19075753225 = 539386^2 + 138115^2 .

It is a cyclic number.

It is not a de Polignac number, because 310013010221 - 2² = 310013010217 is a prime.

It is a super-2 number, since 2×310013010221² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 310013010196 and 310013010205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310013010521) 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 as a sum of consecutive naturals, namely, 155006505110 + 155006505111.

It is an arithmetic number, because the mean of its divisors is an integer number (155006505111).

Almost surely, 2^310013010221 is an apocalyptic number.

It is an amenable number.

310013010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

310013010221 is an equidigital number, since it uses as much as digits as its factorization.

310013010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 310013010221 its reverse (122010310013), we get a palindrome (432023320234).

The spelling of 310013010221 in words is "three hundred ten billion, thirteen million, ten thousand, two hundred twenty-one".