120231031300331 has 4 divisors (see below), whose sum is σ = 137406892914672. Its totient is φ = 103055169685992.

The previous prime is 120231031300319. The next prime is 120231031300357. The reversal of 120231031300331 is 133003130132021.

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

It is a cyclic number.

It is not a de Polignac number, because 120231031300331 - 2⁶ = 120231031300267 is a prime.

It is a super-2 number, since 2×120231031300331² (a number of 29 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 = 120231031300297 and 120231031300306.

It is not an unprimeable number, because it can be changed into a prime (120231001300331) 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, 8587930807160 + ... + 8587930807173.

It is an arithmetic number, because the mean of its divisors is an integer number (34351723228668).

Almost surely, 2^{120231031300331} is an apocalyptic number.

120231031300331 is a deficient number, since it is larger than the sum of its proper divisors (17175861614341).

120231031300331 is an equidigital number, since it uses as much as digits as its factorization.

120231031300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175861614340.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 120231031300331 its reverse (133003130132021), we get a palindrome (253234161432352).

The spelling of 120231031300331 in words is "one hundred twenty trillion, two hundred thirty-one billion, thirty-one million, three hundred thousand, three hundred thirty-one".