1131341343 has 16 divisors (see below), whose sum is σ = 1673481600. Its totient is φ = 674038880.

The previous prime is 1131341327. The next prime is 1131341363. The reversal of 1131341343 is 3431431311.

It is a cyclic number.

It is not a de Polignac number, because 1131341343 - 2⁴ = 1131341327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131341363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288588 + ... + 292481.

It is an arithmetic number, because the mean of its divisors is an integer number (104592600).

Almost surely, 2^1131341343 is an apocalyptic number.

1131341343 is a deficient number, since it is larger than the sum of its proper divisors (542140257).

1131341343 is a wasteful number, since it uses less digits than its factorization.

1131341343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581142.

The product of its digits is 1296, while the sum is 24.

The square root of 1131341343 is about 33635.4179846185. The cubic root of 1131341343 is about 1041.9924031433.

Adding to 1131341343 its reverse (3431431311), we get a palindrome (4562772654).

The spelling of 1131341343 in words is "one billion, one hundred thirty-one million, three hundred forty-one thousand, three hundred forty-three".