331131232120123 has 8 divisors (see below), whose sum is σ = 331585709411088. Its totient is φ = 330676840429824.

The previous prime is 331131232120097. The next prime is 331131232120127. The reversal of 331131232120123 is 321021232131133.

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 331131232120123 - 2²⁵ = 331131198565691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331131232120091 and 331131232120100.

It is not an unprimeable number, because it can be changed into a prime (331131232120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13656286 + ... + 29133427.

It is an arithmetic number, because the mean of its divisors is an integer number (41448213676386).

Almost surely, 2^{331131232120123} is an apocalyptic number.

331131232120123 is a deficient number, since it is larger than the sum of its proper divisors (454477290965).

331131232120123 is an equidigital number, since it uses as much as digits as its factorization.

331131232120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42800333.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 331131232120123 its reverse (321021232131133), we get a palindrome (652152464251256).

The spelling of 331131232120123 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, two hundred thirty-two million, one hundred twenty thousand, one hundred twenty-three".