111431343 has 8 divisors (see below), whose sum is σ = 155035008. Its totient is φ = 71057624.

The previous prime is 111431321. The next prime is 111431377. The reversal of 111431343 is 343134111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111431343 - 2¹² = 111427247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111431303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807405 + ... + 807542.

It is an arithmetic number, because the mean of its divisors is an integer number (19379376).

Almost surely, 2^111431343 is an apocalyptic number.

111431343 is a deficient number, since it is larger than the sum of its proper divisors (43603665).

111431343 is a wasteful number, since it uses less digits than its factorization.

111431343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614973.

The product of its digits is 432, while the sum is 21.

The square root of 111431343 is about 10556.1045371861. The cubic root of 111431343 is about 481.2112680809.

Adding to 111431343 its reverse (343134111), we get a palindrome (454565454).

The spelling of 111431343 in words is "one hundred eleven million, four hundred thirty-one thousand, three hundred forty-three".