111243035041331 has 4 divisors (see below), whose sum is σ = 112766912233752. Its totient is φ = 109719157848912.

The previous prime is 111243035041301. The next prime is 111243035041361. The reversal of 111243035041331 is 133140530342111.

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

It is an interprime number because it is at equal distance from previous prime (111243035041301) and next prime (111243035041361).

It is a cyclic number.

It is not a de Polignac number, because 111243035041331 - 2¹⁰ = 111243035040307 is a prime.

It is a super-2 number, since 2×111243035041331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111243035041301) 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, 761938596101 + ... + 761938596246.

It is an arithmetic number, because the mean of its divisors is an integer number (28191728058438).

Almost surely, 2^{111243035041331} is an apocalyptic number.

111243035041331 is a deficient number, since it is larger than the sum of its proper divisors (1523877192421).

111243035041331 is an equidigital number, since it uses as much as digits as its factorization.

111243035041331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523877192420.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 111243035041331 its reverse (133140530342111), we get a palindrome (244383565383442).

The spelling of 111243035041331 in words is "one hundred eleven trillion, two hundred forty-three billion, thirty-five million, forty-one thousand, three hundred thirty-one".