1231112104 has 16 divisors (see below), whose sum is σ = 2308835520. Its totient is φ = 615422640.

The previous prime is 1231112101. The next prime is 1231112111. The reversal of 1231112104 is 4012111321.

It is not an unprimeable number, because it can be changed into a prime (1231112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30337 + ... + 58159.

It is an arithmetic number, because the mean of its divisors is an integer number (144302220).

Almost surely, 2^1231112104 is an apocalyptic number.

It is an amenable number.

1231112104 is a deficient number, since it is larger than the sum of its proper divisors (1077723416).

1231112104 is a wasteful number, since it uses less digits than its factorization.

1231112104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33360 (or 33356 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1231112104 is about 35087.2071273848. The cubic root of 1231112104 is about 1071.7640868148.

Adding to 1231112104 its reverse (4012111321), we get a palindrome (5243223425).

The spelling of 1231112104 in words is "one billion, two hundred thirty-one million, one hundred twelve thousand, one hundred four".