320032571138 has 32 divisors (see below), whose sum is σ = 561153993600. Its totient is φ = 136830904560.

The previous prime is 320032571093. The next prime is 320032571149. The reversal of 320032571138 is 831175230023.

It is a junction number, because it is equal to n+sod(n) for n = 320032571098 and 320032571107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265256 + ... + 842867.

It is an arithmetic number, because the mean of its divisors is an integer number (17536062300).

Almost surely, 2^320032571138 is an apocalyptic number.

320032571138 is a deficient number, since it is larger than the sum of its proper divisors (241121422462).

320032571138 is a wasteful number, since it uses less digits than its factorization.

320032571138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108567 (or 1108553 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 320032571138 in words is "three hundred twenty billion, thirty-two million, five hundred seventy-one thousand, one hundred thirty-eight".