111343004031 has 8 divisors (see below), whose sum is σ = 169665529984. Its totient is φ = 63624573720.

The previous prime is 111343003969. The next prime is 111343004051. The reversal of 111343004031 is 130400343111.

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

It is not a de Polignac number, because 111343004031 - 2¹¹ = 111343001983 is a prime.

It is a super-2 number, since 2×111343004031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5302047811 = 111343004031 / (1 + 1 + 1 + 3 + 4 + 3 + 0 + 0 + 4 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111343003989 and 111343004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111343004051) 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, 2651023885 + ... + 2651023926.

It is an arithmetic number, because the mean of its divisors is an integer number (21208191248).

Almost surely, 2^111343004031 is an apocalyptic number.

111343004031 is a deficient number, since it is larger than the sum of its proper divisors (58322525953).

111343004031 is an equidigital number, since it uses as much as digits as its factorization.

111343004031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302047821.

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

Adding to 111343004031 its reverse (130400343111), we get a palindrome (241743347142).

The spelling of 111343004031 in words is "one hundred eleven billion, three hundred forty-three million, four thousand, thirty-one".