120031223231 has 8 divisors (see below), whose sum is σ = 123139131984. Its totient is φ = 116960094720.

The previous prime is 120031223209. The next prime is 120031223243. The reversal of 120031223231 is 132322130021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120031223231 - 2¹⁸ = 120030961087 is a prime.

It is a super-2 number, since 2×120031223231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031223831) 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, 9188450 + ... + 9201503.

It is an arithmetic number, because the mean of its divisors is an integer number (15392391498).

Almost surely, 2^120031223231 is an apocalyptic number.

120031223231 is a deficient number, since it is larger than the sum of its proper divisors (3107908753).

120031223231 is a wasteful number, since it uses less digits than its factorization.

120031223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18390121.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120031223231 its reverse (132322130021), we get a palindrome (252353353252).

The spelling of 120031223231 in words is "one hundred twenty billion, thirty-one million, two hundred twenty-three thousand, two hundred thirty-one".