120331005331 has 4 divisors (see below), whose sum is σ = 122601401712. Its totient is φ = 118060608952.

The previous prime is 120331005283. The next prime is 120331005349. The reversal of 120331005331 is 133500133021.

It is a happy number.

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-120331005331 is a prime.

It is a super-2 number, since 2×120331005331² (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 (120331005391) 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, 1135198111 + ... + 1135198216.

It is an arithmetic number, because the mean of its divisors is an integer number (30650350428).

Almost surely, 2^120331005331 is an apocalyptic number.

120331005331 is a deficient number, since it is larger than the sum of its proper divisors (2270396381).

120331005331 is an equidigital number, since it uses as much as digits as its factorization.

120331005331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270396380.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 120331005331 its reverse (133500133021), we get a palindrome (253831138352).

The spelling of 120331005331 in words is "one hundred twenty billion, three hundred thirty-one million, five thousand, three hundred thirty-one".