231232230330111 has 16 divisors (see below), whose sum is σ = 342569691659520. Its totient is φ = 154153279193400.

The previous prime is 231232230330077. The next prime is 231232230330131. The reversal of 231232230330111 is 111033032232132.

231232230330111 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 322 + 3 + 0 + 330 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 231232230330111 - 2³³ = 231223640395519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231232230330131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40052145 + ... + 45460298.

It is an arithmetic number, because the mean of its divisors is an integer number (21410605728720).

Almost surely, 2^{231232230330111} is an apocalyptic number.

231232230330111 is a deficient number, since it is larger than the sum of its proper divisors (111337461329409).

231232230330111 is a wasteful number, since it uses less digits than its factorization.

231232230330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85612603 (or 85612597 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 231232230330111 its reverse (111033032232132), we get a palindrome (342265262562243).

The spelling of 231232230330111 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, two hundred thirty million, three hundred thirty thousand, one hundred eleven".