230121110031 has 4 divisors (see below), whose sum is σ = 306828146712. Its totient is φ = 153414073352.

The previous prime is 230121110027. The next prime is 230121110047. The reversal of 230121110031 is 130011121032.

It is a happy number.

230121110031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 230121110031 - 2² = 230121110027 is a prime.

It is a super-2 number, since 2×230121110031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121110231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38353518336 + ... + 38353518341.

It is an arithmetic number, because the mean of its divisors is an integer number (76707036678).

Almost surely, 2^230121110031 is an apocalyptic number.

230121110031 is a deficient number, since it is larger than the sum of its proper divisors (76707036681).

230121110031 is an equidigital number, since it uses as much as digits as its factorization.

230121110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76707036680.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 230121110031 its reverse (130011121032), we get a palindrome (360132231063).

The spelling of 230121110031 in words is "two hundred thirty billion, one hundred twenty-one million, one hundred ten thousand, thirty-one".