111431301343 has 16 divisors (see below), whose sum is σ = 116736966720. Its totient is φ = 106230444544.

The previous prime is 111431301337. The next prime is 111431301349. The reversal of 111431301343 is 343103134111.

It is an interprime number because it is at equal distance from previous prime (111431301337) and next prime (111431301349).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111431301343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111431301349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797205 + ... + 926497.

It is an arithmetic number, because the mean of its divisors is an integer number (7296060420).

Almost surely, 2^111431301343 is an apocalyptic number.

111431301343 is a deficient number, since it is larger than the sum of its proper divisors (5305665377).

111431301343 is a wasteful number, since it uses less digits than its factorization.

111431301343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129698.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111431301343 its reverse (343103134111), we get a palindrome (454534435454).

The spelling of 111431301343 in words is "one hundred eleven billion, four hundred thirty-one million, three hundred one thousand, three hundred forty-three".