111311132 has 6 divisors (see below), whose sum is σ = 194794488. Its totient is φ = 55655564.

The previous prime is 111311131. The next prime is 111311147. The reversal of 111311132 is 231113111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311131) 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 as a sum of consecutive naturals, namely, 13913888 + ... + 13913895.

It is an arithmetic number, because the mean of its divisors is an integer number (32465748).

Almost surely, 2^111311132 is an apocalyptic number.

It is an amenable number.

111311132 is a deficient number, since it is larger than the sum of its proper divisors (83483356).

111311132 is a wasteful number, since it uses less digits than its factorization.

111311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27827787 (or 27827785 counting only the distinct ones).

The product of its digits is 18, while the sum is 14.

The square root of 111311132 is about 10550.4090915945. The cubic root of 111311132 is about 481.0381638770.

Adding to 111311132 its reverse (231113111), we get a palindrome (342424243).

The spelling of 111311132 in words is "one hundred eleven million, three hundred eleven thousand, one hundred thirty-two".