320120003331 has 12 divisors (see below), whose sum is σ = 464791394808. Its totient is φ = 212307565824.

The previous prime is 320120003317. The next prime is 320120003383. The reversal of 320120003331 is 133300021023.

320120003331 is a `hidden beast` number, since 320 + 12 + 0 + 0 + 0 + 3 + 331 = 666.

It is not a de Polignac number, because 320120003331 - 2⁶ = 320120003267 is a prime.

It is a super-2 number, since 2×320120003331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320120003831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92145645 + ... + 92149118.

It is an arithmetic number, because the mean of its divisors is an integer number (38732616234).

Almost surely, 2^320120003331 is an apocalyptic number.

320120003331 is a deficient number, since it is larger than the sum of its proper divisors (144671391477).

320120003331 is a wasteful number, since it uses less digits than its factorization.

320120003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184294962 (or 184294959 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 320120003331 its reverse (133300021023), we get a palindrome (453420024354).

The spelling of 320120003331 in words is "three hundred twenty billion, one hundred twenty million, three thousand, three hundred thirty-one".