320031022004 has 6 divisors (see below), whose sum is σ = 560054288514. Its totient is φ = 160015511000.

The previous prime is 320031021983. The next prime is 320031022013. The reversal of 320031022004 is 400220130023.

It can be written as a sum of positive squares in only one way, i.e., 319801560100 + 229461904 = 565510^2 + 15148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40003877747 + ... + 40003877754.

It is an arithmetic number, because the mean of its divisors is an integer number (93342381419).

Almost surely, 2^320031022004 is an apocalyptic number.

It is an amenable number.

320031022004 is a deficient number, since it is larger than the sum of its proper divisors (240023266510).

320031022004 is a wasteful number, since it uses less digits than its factorization.

320031022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007755505 (or 80007755503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 320031022004 its reverse (400220130023), we get a palindrome (720251152027).

The spelling of 320031022004 in words is "three hundred twenty billion, thirty-one million, twenty-two thousand, four".