311103003313 has 2 divisors, whose sum is σ = 311103003314. Its totient is φ = 311103003312.

The previous prime is 311103003241. The next prime is 311103003347. The reversal of 311103003313 is 313300301113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216530147584 + 94572855729 = 465328^2 + 307527^2 .

It is a cyclic number.

It is not a de Polignac number, because 311103003313 - 2²¹ = 311100906161 is a prime.

It is not a weakly prime, because it can be changed into another prime (311103003413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155551501656 + 155551501657.

It is an arithmetic number, because the mean of its divisors is an integer number (155551501657).

Almost surely, 2^311103003313 is an apocalyptic number.

It is an amenable number.

311103003313 is a deficient number, since it is larger than the sum of its proper divisors (1).

311103003313 is an equidigital number, since it uses as much as digits as its factorization.

311103003313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 311103003313 its reverse (313300301113), we get a palindrome (624403304426).

The spelling of 311103003313 in words is "three hundred eleven billion, one hundred three million, three thousand, three hundred thirteen".