111406312 has 32 divisors (see below), whose sum is σ = 216748800. Its totient is φ = 53625600.

The previous prime is 111406301. The next prime is 111406331. The reversal of 111406312 is 213604111.

It is a super-2 number, since 2×111406312² = 24822732706882688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111406312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51264 + ... + 53392.

It is an arithmetic number, because the mean of its divisors is an integer number (6773400).

Almost surely, 2^111406312 is an apocalyptic number.

It is an amenable number.

111406312 is a deficient number, since it is larger than the sum of its proper divisors (105342488).

111406312 is a wasteful number, since it uses less digits than its factorization.

111406312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 111406312 is about 10554.9188533119. The cubic root of 111406312 is about 481.1752336315.

The spelling of 111406312 in words is "one hundred eleven million, four hundred six thousand, three hundred twelve".