1130771231 has 2 divisors, whose sum is σ = 1130771232. Its totient is φ = 1130771230.

The previous prime is 1130771227. The next prime is 1130771237. The reversal of 1130771231 is 1321770311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1321770311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130771231 - 2² = 1130771227 is a prime.

It is a super-2 number, since 2×1130771231² = 2557287153714510722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1130771231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130771237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565385615 + 565385616.

It is an arithmetic number, because the mean of its divisors is an integer number (565385616).

Almost surely, 2^1130771231 is an apocalyptic number.

1130771231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130771231 is an equidigital number, since it uses as much as digits as its factorization.

1130771231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1130771231 is about 33626.9420405722. The cubic root of 1130771231 is about 1041.8173448108.

The spelling of 1130771231 in words is "one billion, one hundred thirty million, seven hundred seventy-one thousand, two hundred thirty-one".