335121313 has 2 divisors, whose sum is σ = 335121314. Its totient is φ = 335121312.

The previous prime is 335121307. The next prime is 335121343. The reversal of 335121313 is 313121533.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327320464 + 7800849 = 18092^2 + 2793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-335121313 is a prime.

It is a super-2 number, since 2×335121313² = 224612588853687938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (335121343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167560656 + 167560657.

It is an arithmetic number, because the mean of its divisors is an integer number (167560657).

Almost surely, 2^335121313 is an apocalyptic number.

It is an amenable number.

335121313 is a deficient number, since it is larger than the sum of its proper divisors (1).

335121313 is an equidigital number, since it uses as much as digits as its factorization.

335121313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 22.

The square root of 335121313 is about 18306.3189363673. The cubic root of 335121313 is about 694.5987802059.

Adding to 335121313 its reverse (313121533), we get a palindrome (648242846).

The spelling of 335121313 in words is "three hundred thirty-five million, one hundred twenty-one thousand, three hundred thirteen".