231424223111 has 16 divisors (see below), whose sum is σ = 249431952000. Its totient is φ = 214005885408.

The previous prime is 231424223071. The next prime is 231424223119. The reversal of 231424223111 is 111322424132.

It is a happy number.

It is not a de Polignac number, because 231424223111 - 2¹⁸ = 231423960967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231424223119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174100 + ... + 1356966.

It is an arithmetic number, because the mean of its divisors is an integer number (15589497000).

Almost surely, 2^231424223111 is an apocalyptic number.

231424223111 is a deficient number, since it is larger than the sum of its proper divisors (18007728889).

231424223111 is a wasteful number, since it uses less digits than its factorization.

231424223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184478.

The product of its digits is 2304, while the sum is 26.

Adding to 231424223111 its reverse (111322424132), we get a palindrome (342746647243).

The spelling of 231424223111 in words is "two hundred thirty-one billion, four hundred twenty-four million, two hundred twenty-three thousand, one hundred eleven".