320331112120001 has 4 divisors (see below), whose sum is σ = 320356460800212. Its totient is φ = 320305763439792.

The previous prime is 320331112119961. The next prime is 320331112120013. The reversal of 320331112120001 is 100021211133023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24125533650625 + 296205578469376 = 4911775^2 + 17210624^2 .

It is a cyclic number.

It is not a de Polignac number, because 320331112120001 - 2⁴⁶ = 249962367942337 is a prime.

It is a super-2 number, since 2×320331112120001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320331112120801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12674321150 + ... + 12674346423.

It is an arithmetic number, because the mean of its divisors is an integer number (80089115200053).

Almost surely, 2^{320331112120001} is an apocalyptic number.

It is an amenable number.

320331112120001 is a deficient number, since it is larger than the sum of its proper divisors (25348680211).

320331112120001 is a wasteful number, since it uses less digits than its factorization.

320331112120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25348680210.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 320331112120001 its reverse (100021211133023), we get a palindrome (420352323253024).

The spelling of 320331112120001 in words is "three hundred twenty trillion, three hundred thirty-one billion, one hundred twelve million, one hundred twenty thousand, one".