1131341969 has 2 divisors, whose sum is σ = 1131341970. Its totient is φ = 1131341968.

The previous prime is 1131341941. The next prime is 1131342077. The reversal of 1131341969 is 9691431311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927994369 + 203347600 = 30463^2 + 14260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131341969 is a prime.

It is a super-2 number, since 2×1131341969² = 2559869301641593922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1131341369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565670984 + 565670985.

It is an arithmetic number, because the mean of its divisors is an integer number (565670985).

Almost surely, 2^1131341969 is an apocalyptic number.

It is an amenable number.

1131341969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131341969 is an equidigital number, since it uses as much as digits as its factorization.

1131341969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 1131341969 is about 33635.4272902843. The cubic root of 1131341969 is about 1041.9925953303.

The spelling of 1131341969 in words is "one billion, one hundred thirty-one million, three hundred forty-one thousand, nine hundred sixty-nine".