111312982 has 48 divisors (see below), whose sum is σ = 198031680. Its totient is φ = 46735920.

The previous prime is 111312977. The next prime is 111312989. The reversal of 111312982 is 289213111.

It is a self number, because there is not a number n which added to its sum of digits gives 111312982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312989) 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, 197433 + ... + 197995.

It is an arithmetic number, because the mean of its divisors is an integer number (4125660).

Almost surely, 2^111312982 is an apocalyptic number.

111312982 is a deficient number, since it is larger than the sum of its proper divisors (86718698).

111312982 is a wasteful number, since it uses less digits than its factorization.

111312982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 638 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 111312982 is about 10550.4967655556. The cubic root of 111312982 is about 481.0408288266.

The spelling of 111312982 in words is "one hundred eleven million, three hundred twelve thousand, nine hundred eighty-two".