310303121113 has 2 divisors, whose sum is σ = 310303121114. Its totient is φ = 310303121112.

The previous prime is 310303121077. The next prime is 310303121119. The reversal of 310303121113 is 311121303013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296183027529 + 14120093584 = 544227^2 + 118828^2 .

It is an emirp because it is prime and its reverse (311121303013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310303121113 - 2¹³ = 310303112921 is a prime.

It is not a weakly prime, because it can be changed into another prime (310303121119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155151560556 + 155151560557.

It is an arithmetic number, because the mean of its divisors is an integer number (155151560557).

Almost surely, 2^310303121113 is an apocalyptic number.

It is an amenable number.

310303121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

310303121113 is an equidigital number, since it uses as much as digits as its factorization.

310303121113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 310303121113 its reverse (311121303013), we get a palindrome (621424424126).

The spelling of 310303121113 in words is "three hundred ten billion, three hundred three million, one hundred twenty-one thousand, one hundred thirteen".