111834033431 has 4 divisors (see below), whose sum is σ = 111942295872. Its totient is φ = 111725770992.

The previous prime is 111834033403. The next prime is 111834033533. The reversal of 111834033431 is 134330438111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111834033431 is a prime.

It is a super-2 number, since 2×111834033431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111834033131) 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, 54129671 + ... + 54131736.

It is an arithmetic number, because the mean of its divisors is an integer number (27985573968).

Almost surely, 2^111834033431 is an apocalyptic number.

111834033431 is a deficient number, since it is larger than the sum of its proper divisors (108262441).

111834033431 is a wasteful number, since it uses less digits than its factorization.

111834033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108262440.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 111834033431 in words is "one hundred eleven billion, eight hundred thirty-four million, thirty-three thousand, four hundred thirty-one".