112919311 has 4 divisors (see below), whose sum is σ = 112940824. Its totient is φ = 112897800.

The previous prime is 112919297. The next prime is 112919341. The reversal of 112919311 is 113919211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112919311 - 2¹¹ = 112917263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112919311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112919341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881 + ... + 15301.

It is an arithmetic number, because the mean of its divisors is an integer number (28235206).

Almost surely, 2^112919311 is an apocalyptic number.

112919311 is a deficient number, since it is larger than the sum of its proper divisors (21513).

112919311 is an equidigital number, since it uses as much as digits as its factorization.

112919311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21512.

The product of its digits is 486, while the sum is 28.

The square root of 112919311 is about 10626.3498436669. The cubic root of 112919311 is about 483.3437121301.

It can be divided in two parts, 11291 and 9311, that added together give a palindrome (20602).

The spelling of 112919311 in words is "one hundred twelve million, nine hundred nineteen thousand, three hundred eleven".