120310232331 has 4 divisors (see below), whose sum is σ = 160413643112. Its totient is φ = 80206821552.

The previous prime is 120310232321. The next prime is 120310232363. The reversal of 120310232331 is 133232013021.

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

It is not a de Polignac number, because 120310232331 - 2²⁶ = 120243123467 is a prime.

It is a super-2 number, since 2×120310232331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120310232298 and 120310232307.

It is not an unprimeable number, because it can be changed into a prime (120310232311) 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, 20051705386 + ... + 20051705391.

It is an arithmetic number, because the mean of its divisors is an integer number (40103410778).

Almost surely, 2^120310232331 is an apocalyptic number.

120310232331 is a deficient number, since it is larger than the sum of its proper divisors (40103410781).

120310232331 is an equidigital number, since it uses as much as digits as its factorization.

120310232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40103410780.

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

Adding to 120310232331 its reverse (133232013021), we get a palindrome (253542245352).

The spelling of 120310232331 in words is "one hundred twenty billion, three hundred ten million, two hundred thirty-two thousand, three hundred thirty-one".