1131343 has 2 divisors, whose sum is σ = 1131344. Its totient is φ = 1131342.

The previous prime is 1131341. The next prime is 1131353. The reversal of 1131343 is 3431311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131343 - 2¹ = 1131341 is a prime.

Together with 1131341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565671 + 565672.

It is an arithmetic number, because the mean of its divisors is an integer number (565672).

2^1131343 is an apocalyptic number.

1131343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131343 is an equidigital number, since it uses as much as digits as its factorization.

1131343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 16.

The square root of 1131343 is about 1063.6460877566. The cubic root of 1131343 is about 104.1992911855.

Adding to 1131343 its reverse (3431311), we get a palindrome (4562654).

Subtracting 1131343 from its reverse (3431311), we obtain a cube (2299968 = 132³).

The spelling of 1131343 in words is "one million, one hundred thirty-one thousand, three hundred forty-three".