320034429975 has 48 divisors (see below), whose sum is σ = 570013516800. Its totient is φ = 157503400320.

The previous prime is 320034429941. The next prime is 320034430061. The reversal of 320034429975 is 579924430023.

It is a de Polignac number, because none of the positive numbers 2^k-320034429975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2988406 + ... + 3093644.

It is an arithmetic number, because the mean of its divisors is an integer number (11875281600).

Almost surely, 2^320034429975 is an apocalyptic number.

320034429975 is a deficient number, since it is larger than the sum of its proper divisors (249979086825).

320034429975 is a wasteful number, since it uses less digits than its factorization.

320034429975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108384 (or 108379 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

Adding to 320034429975 its sum of digits (48), we get a palindrome (320034430023).

Adding to 320034429975 its reverse (579924430023), we get a palindrome (899958859998).

The spelling of 320034429975 in words is "three hundred twenty billion, thirty-four million, four hundred twenty-nine thousand, nine hundred seventy-five".