320034043397 has 2 divisors, whose sum is σ = 320034043398. Its totient is φ = 320034043396.

The previous prime is 320034043393. The next prime is 320034043403. The reversal of 320034043397 is 793340430023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320023278436 + 10764961 = 565706^2 + 3281^2 .

It is a cyclic number.

It is not a de Polignac number, because 320034043397 - 2² = 320034043393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320034043397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320034043393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160017021698 + 160017021699.

It is an arithmetic number, because the mean of its divisors is an integer number (160017021699).

Almost surely, 2^320034043397 is an apocalyptic number.

It is an amenable number.

320034043397 is a deficient number, since it is larger than the sum of its proper divisors (1).

320034043397 is an equidigital number, since it uses as much as digits as its factorization.

320034043397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 320034043397 in words is "three hundred twenty billion, thirty-four million, forty-three thousand, three hundred ninety-seven".