1130513081 has 2 divisors, whose sum is σ = 1130513082. Its totient is φ = 1130513080.

The previous prime is 1130513077. The next prime is 1130513143. The reversal of 1130513081 is 1803150311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1126273600 + 4239481 = 33560^2 + 2059^2 .

It is an emirp because it is prime and its reverse (1803150311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130513081 - 2² = 1130513077 is a prime.

It is a super-2 number, since 2×1130513081² = 2556119652624225122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1130513051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565256540 + 565256541.

It is an arithmetic number, because the mean of its divisors is an integer number (565256541).

Almost surely, 2^1130513081 is an apocalyptic number.

It is an amenable number.

1130513081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130513081 is an equidigital number, since it uses as much as digits as its factorization.

1130513081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1130513081 is about 33623.1033814548. The cubic root of 1130513081 is about 1041.7380580347.

Adding to 1130513081 its reverse (1803150311), we get a palindrome (2933663392).

The spelling of 1130513081 in words is "one billion, one hundred thirty million, five hundred thirteen thousand, eighty-one".