230131022111 has 4 divisors (see below), whose sum is σ = 232903685112. Its totient is φ = 227358359112.

The previous prime is 230131022063. The next prime is 230131022153. The reversal of 230131022111 is 111220131032.

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 230131022111 - 2⁶ = 230131022047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230131022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131022411) 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, 1386331376 + ... + 1386331541.

It is an arithmetic number, because the mean of its divisors is an integer number (58225921278).

Almost surely, 2^230131022111 is an apocalyptic number.

230131022111 is a deficient number, since it is larger than the sum of its proper divisors (2772663001).

230131022111 is an equidigital number, since it uses as much as digits as its factorization.

230131022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772663000.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 230131022111 its reverse (111220131032), we get a palindrome (341351153143).

The spelling of 230131022111 in words is "two hundred thirty billion, one hundred thirty-one million, twenty-two thousand, one hundred eleven".