111677231 has 16 divisors (see below), whose sum is σ = 122258400. Its totient is φ = 101727360.

The previous prime is 111677207. The next prime is 111677239. The reversal of 111677231 is 132776111.

It is not a de Polignac number, because 111677231 - 2¹⁰ = 111676207 is a prime.

It is a super-2 number, since 2×111677231² = 24943607847654722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111677194 and 111677203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111677239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463271 + ... + 463511.

It is an arithmetic number, because the mean of its divisors is an integer number (7641150).

Almost surely, 2^111677231 is an apocalyptic number.

111677231 is a deficient number, since it is larger than the sum of its proper divisors (10581169).

111677231 is an frugal number, since it uses more digits than its factorization.

111677231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 289 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 111677231 is about 10567.7448398417. The cubic root of 111677231 is about 481.5649601603.

The spelling of 111677231 in words is "one hundred eleven million, six hundred seventy-seven thousand, two hundred thirty-one".