1131365017 has 2 divisors, whose sum is σ = 1131365018. Its totient is φ = 1131365016.

The previous prime is 1131365003. The next prime is 1131365033. The reversal of 1131365017 is 7105631311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101509721 + 29855296 = 33189^2 + 5464^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131365017 - 2⁷ = 1131364889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131365117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565682508 + 565682509.

It is an arithmetic number, because the mean of its divisors is an integer number (565682509).

Almost surely, 2^1131365017 is an apocalyptic number.

It is an amenable number.

1131365017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131365017 is an equidigital number, since it uses as much as digits as its factorization.

1131365017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1131365017 is about 33635.7699034822. The cubic root of 1131365017 is about 1041.9996711992. Note that the first 3 decimals are identical.

Adding to 1131365017 its reverse (7105631311), we get a palindrome (8236996328).

The spelling of 1131365017 in words is "one billion, one hundred thirty-one million, three hundred sixty-five thousand, seventeen".