320112302321 has 24 divisors (see below), whose sum is σ = 387282069504. Its totient is φ = 263607432480.

The previous prime is 320112302311. The next prime is 320112302357. The reversal of 320112302321 is 123203211023.

It is not a de Polignac number, because 320112302321 - 2²² = 320108108017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320112302293 and 320112302302.

It is not an unprimeable number, because it can be changed into a prime (320112302311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116785 + ... + 1373838.

It is an arithmetic number, because the mean of its divisors is an integer number (16136752896).

Almost surely, 2^320112302321 is an apocalyptic number.

It is an amenable number.

320112302321 is a deficient number, since it is larger than the sum of its proper divisors (67169767183).

320112302321 is a wasteful number, since it uses less digits than its factorization.

320112302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490741 (or 2490734 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320112302321 its reverse (123203211023), we get a palindrome (443315513344).

It can be divided in two parts, 32011 and 2302321, that added together give a palindrome (2334332).

The spelling of 320112302321 in words is "three hundred twenty billion, one hundred twelve million, three hundred two thousand, three hundred twenty-one".