120320001331 has 4 divisors (see below), whose sum is σ = 126652633000. Its totient is φ = 113987369664.

The previous prime is 120320001311. The next prime is 120320001343. The reversal of 120320001331 is 133100023021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120320001331 is a prime.

It is a super-2 number, since 2×120320001331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120320001311) 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, 3166315806 + ... + 3166315843.

It is an arithmetic number, because the mean of its divisors is an integer number (31663158250).

Almost surely, 2^120320001331 is an apocalyptic number.

120320001331 is a deficient number, since it is larger than the sum of its proper divisors (6332631669).

120320001331 is an equidigital number, since it uses as much as digits as its factorization.

120320001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332631668.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120320001331 its reverse (133100023021), we get a palindrome (253420024352).

The spelling of 120320001331 in words is "one hundred twenty billion, three hundred twenty million, one thousand, three hundred thirty-one".