320034313 has 2 divisors, whose sum is σ = 320034314. Its totient is φ = 320034312.

The previous prime is 320034307. The next prime is 320034317. The reversal of 320034313 is 313430023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239537529 + 80496784 = 15477^2 + 8972^2 .

It is a cyclic number.

It is not a de Polignac number, because 320034313 - 2²¹ = 317937161 is a prime.

It is a super-2 number, since 2×320034313² = 204843922994763938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320034317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160017156 + 160017157.

It is an arithmetic number, because the mean of its divisors is an integer number (160017157).

Almost surely, 2^320034313 is an apocalyptic number.

It is an amenable number.

320034313 is a deficient number, since it is larger than the sum of its proper divisors (1).

320034313 is an equidigital number, since it uses as much as digits as its factorization.

320034313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 320034313 is about 17889.5028717961. The cubic root of 320034313 is about 684.0148254655.

Adding to 320034313 its reverse (313430023), we get a palindrome (633464336).

The spelling of 320034313 in words is "three hundred twenty million, thirty-four thousand, three hundred thirteen".