1131105341 has 4 divisors (see below), whose sum is σ = 1131188352. Its totient is φ = 1131022332.

The previous prime is 1131105301. The next prime is 1131105389. The reversal of 1131105341 is 1435011311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1435011311 = 587 ⋅2444653.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131105341 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 (1131105301) 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, 15731 + ... + 50096.

It is an arithmetic number, because the mean of its divisors is an integer number (282797088).

Almost surely, 2^1131105341 is an apocalyptic number.

It is an amenable number.

1131105341 is a deficient number, since it is larger than the sum of its proper divisors (83011).

1131105341 is an equidigital number, since it uses as much as digits as its factorization.

1131105341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83010.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1131105341 is about 33631.9095651734. The cubic root of 1131105341 is about 1041.9199436114.

Adding to 1131105341 its reverse (1435011311), we get a palindrome (2566116652).

The spelling of 1131105341 in words is "one billion, one hundred thirty-one million, one hundred five thousand, three hundred forty-one".