313310009 has 2 divisors, whose sum is σ = 313310010. Its totient is φ = 313310008.

The previous prime is 313309999. The next prime is 313310021. The reversal of 313310009 is 900013313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312582400 + 727609 = 17680^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 313310009 - 2¹² = 313305913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313310029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156655004 + 156655005.

It is an arithmetic number, because the mean of its divisors is an integer number (156655005).

Almost surely, 2^313310009 is an apocalyptic number.

It is an amenable number.

313310009 is a deficient number, since it is larger than the sum of its proper divisors (1).

313310009 is an equidigital number, since it uses as much as digits as its factorization.

313310009 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 20.

The square root of 313310009 is about 17700.5652169641. The cubic root of 313310009 is about 679.1902190100.

The spelling of 313310009 in words is "three hundred thirteen million, three hundred ten thousand, nine".