1131340117 has 2 divisors, whose sum is σ = 1131340118. Its totient is φ = 1131340116.

The previous prime is 1131340033. The next prime is 1131340139. The reversal of 1131340117 is 7110431311.

It is an a-pointer prime, because the next prime (1131340139) can be obtained adding 1131340117 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 757845841 + 373494276 = 27529^2 + 19326^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131340117 - 2¹⁵ = 1131307349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131340187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565670058 + 565670059.

It is an arithmetic number, because the mean of its divisors is an integer number (565670059).

Almost surely, 2^1131340117 is an apocalyptic number.

It is an amenable number.

1131340117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131340117 is an equidigital number, since it uses as much as digits as its factorization.

1131340117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1131340117 is about 33635.3997597769. The cubic root of 1131340117 is about 1041.9920267514.

Adding to 1131340117 its reverse (7110431311), we get a palindrome (8241771428).

The spelling of 1131340117 in words is "one billion, one hundred thirty-one million, three hundred forty thousand, one hundred seventeen".