111341131 has 4 divisors (see below), whose sum is σ = 121463064. Its totient is φ = 101219200.

The previous prime is 111341129. The next prime is 111341141. The reversal of 111341131 is 131143111.

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 111341131 - 2¹ = 111341129 is a prime.

It is a super-5 number, since 5×111341131⁵ (a number of 41 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111341101) 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, 5060950 + ... + 5060971.

It is an arithmetic number, because the mean of its divisors is an integer number (30365766).

Almost surely, 2^111341131 is an apocalyptic number.

111341131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111341131 is a deficient number, since it is larger than the sum of its proper divisors (10121933).

111341131 is a wasteful number, since it uses less digits than its factorization.

111341131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121932.

The product of its digits is 36, while the sum is 16.

The square root of 111341131 is about 10551.8306942445. The cubic root of 111341131 is about 481.0813741934.

Adding to 111341131 its reverse (131143111), we get a palindrome (242484242).

The spelling of 111341131 in words is "one hundred eleven million, three hundred forty-one thousand, one hundred thirty-one".