201110232231 has 24 divisors (see below), whose sum is σ = 292563043344. Its totient is φ = 133120659840.

The previous prime is 201110232227. The next prime is 201110232269. The reversal of 201110232231 is 132232011102.

201110232231 is a `hidden beast` number, since 201 + 1 + 1 + 0 + 232 + 231 = 666.

It is not a de Polignac number, because 201110232231 - 2² = 201110232227 is a prime.

It is a super-2 number, since 2×201110232231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110232221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755035 + ... + 986051.

It is an arithmetic number, because the mean of its divisors is an integer number (12190126806).

Almost surely, 2^201110232231 is an apocalyptic number.

201110232231 is a deficient number, since it is larger than the sum of its proper divisors (91452811113).

201110232231 is a wasteful number, since it uses less digits than its factorization.

201110232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231711 (or 231708 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201110232231 its reverse (132232011102), we get a palindrome (333342243333).

The spelling of 201110232231 in words is "two hundred one billion, one hundred ten million, two hundred thirty-two thousand, two hundred thirty-one".