1131041117 has 2 divisors, whose sum is σ = 1131041118. Its totient is φ = 1131041116.

The previous prime is 1131041113. The next prime is 1131041159. The reversal of 1131041117 is 7111401311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877403641 + 253637476 = 29621^2 + 15926^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131041117 - 2² = 1131041113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131041113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565520558 + 565520559.

It is an arithmetic number, because the mean of its divisors is an integer number (565520559).

Almost surely, 2^1131041117 is an apocalyptic number.

It is an amenable number.

1131041117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131041117 is an equidigital number, since it uses as much as digits as its factorization.

1131041117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 1131041117 is about 33630.9547441044. The cubic root of 1131041117 is about 1041.9002232162.

Adding to 1131041117 its reverse (7111401311), we get a palindrome (8242442428).

The spelling of 1131041117 in words is "one billion, one hundred thirty-one million, forty-one thousand, one hundred seventeen".