1131033227 has 2 divisors, whose sum is σ = 1131033228. Its totient is φ = 1131033226.

The previous prime is 1131033203. The next prime is 1131033251. The reversal of 1131033227 is 7223301311.

It is a balanced prime because it is at equal distance from previous prime (1131033203) and next prime (1131033251).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131033227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131033287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565516613 + 565516614.

It is an arithmetic number, because the mean of its divisors is an integer number (565516614).

Almost surely, 2^1131033227 is an apocalyptic number.

1131033227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131033227 is an equidigital number, since it uses as much as digits as its factorization.

1131033227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1131033227 is about 33630.8374412532. The cubic root of 1131033227 is about 1041.8978004891.

Adding to 1131033227 its reverse (7223301311), we get a palindrome (8354334538).

The spelling of 1131033227 in words is "one billion, one hundred thirty-one million, thirty-three thousand, two hundred twenty-seven".