320030969 has 2 divisors, whose sum is σ = 320030970. Its totient is φ = 320030968.

The previous prime is 320030939. The next prime is 320030989. The reversal of 320030969 is 969030023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283585600 + 36445369 = 16840^2 + 6037^2 .

It is a cyclic number.

It is not a de Polignac number, because 320030969 - 2²⁸ = 51595513 is a prime.

It is a super-2 number, since 2×320030969² = 204839642238157922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320030929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160015484 + 160015485.

It is an arithmetic number, because the mean of its divisors is an integer number (160015485).

Almost surely, 2^320030969 is an apocalyptic number.

It is an amenable number.

320030969 is a deficient number, since it is larger than the sum of its proper divisors (1).

320030969 is an equidigital number, since it uses as much as digits as its factorization.

320030969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 320030969 is about 17889.4094089212. The cubic root of 320030969 is about 684.0124430610.

The spelling of 320030969 in words is "three hundred twenty million, thirty thousand, nine hundred sixty-nine".