230111100231 has 4 divisors (see below), whose sum is σ = 306814800312. Its totient is φ = 153407400152.

The previous prime is 230111100067. The next prime is 230111100239. The reversal of 230111100231 is 132001111032.

It is a happy number.

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 230111100231 - 2¹¹ = 230111098183 is a prime.

It is a super-2 number, since 2×230111100231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230111100231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230111100239) 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, 38351850036 + ... + 38351850041.

It is an arithmetic number, because the mean of its divisors is an integer number (76703700078).

Almost surely, 2^230111100231 is an apocalyptic number.

230111100231 is a deficient number, since it is larger than the sum of its proper divisors (76703700081).

230111100231 is an equidigital number, since it uses as much as digits as its factorization.

230111100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76703700080.

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

Adding to 230111100231 its reverse (132001111032), we get a palindrome (362112211263).

The spelling of 230111100231 in words is "two hundred thirty billion, one hundred eleven million, one hundred thousand, two hundred thirty-one".