1083231811 has 2 divisors, whose sum is σ = 1083231812. Its totient is φ = 1083231810.

The previous prime is 1083231769. The next prime is 1083231817. The reversal of 1083231811 is 1181323801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083231811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1083231811.

It is not a weakly prime, because it can be changed into another prime (1083231817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541615905 + 541615906.

It is an arithmetic number, because the mean of its divisors is an integer number (541615906).

Almost surely, 2^1083231811 is an apocalyptic number.

1083231811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083231811 is an equidigital number, since it uses as much as digits as its factorization.

1083231811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1083231811 is about 32912.4871591316. The cubic root of 1083231811 is about 1027.0079413150.

The spelling of 1083231811 in words is "one billion, eighty-three million, two hundred thirty-one thousand, eight hundred eleven".