231314442111 has 24 divisors (see below), whose sum is σ = 348726618240. Its totient is φ = 147471538896.

The previous prime is 231314442091. The next prime is 231314442193. The reversal of 231314442111 is 111244413132.

It is a happy number.

231314442111 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 1 + 444 + 211 + 1 = 666.

It is not a de Polignac number, because 231314442111 - 2³¹ = 229166958463 is a prime.

It is a super-2 number, since 2×231314442111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231314440111) 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, 808980 + ... + 1056918.

It is an arithmetic number, because the mean of its divisors is an integer number (14530275760).

Almost surely, 2^231314442111 is an apocalyptic number.

231314442111 is a deficient number, since it is larger than the sum of its proper divisors (117412176129).

231314442111 is a wasteful number, since it uses less digits than its factorization.

231314442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252475 (or 252472 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 231314442111 its reverse (111244413132), we get a palindrome (342558855243).

The spelling of 231314442111 in words is "two hundred thirty-one billion, three hundred fourteen million, four hundred forty-two thousand, one hundred eleven".