231112102 has 8 divisors (see below), whose sum is σ = 373334976. Its totient is φ = 106667112.

The previous prime is 231112081. The next prime is 231112109. The reversal of 231112102 is 201211132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4444438 + ... + 4444489.

It is an arithmetic number, because the mean of its divisors is an integer number (46666872).

Almost surely, 2^231112102 is an apocalyptic number.

231112102 is a deficient number, since it is larger than the sum of its proper divisors (142222874).

231112102 is a wasteful number, since it uses less digits than its factorization.

231112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888942.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 231112102 is about 15202.3715913011. The cubic root of 231112102 is about 613.6784825474.

Adding to 231112102 its reverse (201211132), we get a palindrome (432323234).

The spelling of 231112102 in words is "two hundred thirty-one million, one hundred twelve thousand, one hundred two".