320034307 has 2 divisors, whose sum is σ = 320034308. Its totient is φ = 320034306.

The previous prime is 320034289. The next prime is 320034313. The reversal of 320034307 is 703430023.

It is a strong prime.

It is an emirp because it is prime and its reverse (703430023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320034307 is a prime.

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, 160017153 + 160017154.

It is an arithmetic number, because the mean of its divisors is an integer number (160017154).

Almost surely, 2^320034307 is an apocalyptic number.

320034307 is a deficient number, since it is larger than the sum of its proper divisors (1).

320034307 is an equidigital number, since it uses as much as digits as its factorization.

320034307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 320034307 is about 17889.5027041000. The cubic root of 320034307 is about 684.0148211909.

The spelling of 320034307 in words is "three hundred twenty million, thirty-four thousand, three hundred seven".