120031313223 has 4 divisors (see below), whose sum is σ = 160041750968. Its totient is φ = 80020875480.

The previous prime is 120031313219. The next prime is 120031313261. The reversal of 120031313223 is 322313130021.

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

It is not a de Polignac number, because 120031313223 - 2² = 120031313219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120031313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031318223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20005218868 + ... + 20005218873.

It is an arithmetic number, because the mean of its divisors is an integer number (40010437742).

Almost surely, 2^120031313223 is an apocalyptic number.

120031313223 is a deficient number, since it is larger than the sum of its proper divisors (40010437745).

120031313223 is an equidigital number, since it uses as much as digits as its factorization.

120031313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40010437744.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120031313223 its reverse (322313130021), we get a palindrome (442344443244).

The spelling of 120031313223 in words is "one hundred twenty billion, thirty-one million, three hundred thirteen thousand, two hundred twenty-three".