120220031331 has 8 divisors (see below), whose sum is σ = 178103750160. Its totient is φ = 80146687536.

The previous prime is 120220031293. The next prime is 120220031389. The reversal of 120220031331 is 133130022021.

120220031331 is a `hidden beast` number, since 120 + 2 + 200 + 313 + 31 = 666.

It is not a de Polignac number, because 120220031331 - 2¹⁴ = 120220014947 is a prime.

It is a super-2 number, since 2×120220031331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120220031431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2226296850 + ... + 2226296903.

It is an arithmetic number, because the mean of its divisors is an integer number (22262968770).

Almost surely, 2^120220031331 is an apocalyptic number.

120220031331 is a deficient number, since it is larger than the sum of its proper divisors (57883718829).

120220031331 is an equidigital number, since it uses as much as digits as its factorization.

120220031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452593762 (or 4452593756 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120220031331 its reverse (133130022021), we get a palindrome (253350053352).

The spelling of 120220031331 in words is "one hundred twenty billion, two hundred twenty million, thirty-one thousand, three hundred thirty-one".