120312110231 has 4 divisors (see below), whose sum is σ = 122351298600. Its totient is φ = 118272921864.

The previous prime is 120312110221. The next prime is 120312110249. The reversal of 120312110231 is 132011213021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132011213021 = 19009 ⋅6944669.

It is a cyclic number.

It is not a de Polignac number, because 120312110231 - 2¹⁰ = 120312109207 is a prime.

It is a super-2 number, since 2×120312110231² (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 (120312110221) 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, 1019594096 + ... + 1019594213.

It is an arithmetic number, because the mean of its divisors is an integer number (30587824650).

Almost surely, 2^120312110231 is an apocalyptic number.

120312110231 is a deficient number, since it is larger than the sum of its proper divisors (2039188369).

120312110231 is an equidigital number, since it uses as much as digits as its factorization.

120312110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039188368.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120312110231 its reverse (132011213021), we get a palindrome (252323323252).

The spelling of 120312110231 in words is "one hundred twenty billion, three hundred twelve million, one hundred ten thousand, two hundred thirty-one".