1231114112 has 16 divisors (see below), whose sum is σ = 2452610400. Its totient is φ = 615556992.

The previous prime is 1231114111. The next prime is 1231114133. The reversal of 1231114112 is 2114111321.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231114111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808912 + ... + 4809167.

It is an arithmetic number, because the mean of its divisors is an integer number (153288150).

Almost surely, 2^1231114112 is an apocalyptic number.

It is an amenable number.

1231114112 is a deficient number, since it is larger than the sum of its proper divisors (1221496288).

1231114112 is an frugal number, since it uses more digits than its factorization.

1231114112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618093 (or 9618081 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 1231114112 is about 35087.2357417908. The cubic root of 1231114112 is about 1071.7646695132.

Adding to 1231114112 its reverse (2114111321), we get a palindrome (3345225433).

The spelling of 1231114112 in words is "one billion, two hundred thirty-one million, one hundred fourteen thousand, one hundred twelve".