320704775351 has 2 divisors, whose sum is σ = 320704775352. Its totient is φ = 320704775350.

The previous prime is 320704775333. The next prime is 320704775371. The reversal of 320704775351 is 153577407023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320704775351 - 2¹⁴ = 320704758967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320704775371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160352387675 + 160352387676.

It is an arithmetic number, because the mean of its divisors is an integer number (160352387676).

Almost surely, 2^320704775351 is an apocalyptic number.

320704775351 is a deficient number, since it is larger than the sum of its proper divisors (1).

320704775351 is an equidigital number, since it uses as much as digits as its factorization.

320704775351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 44.

The spelling of 320704775351 in words is "three hundred twenty billion, seven hundred four million, seven hundred seventy-five thousand, three hundred fifty-one".