1130131361 has 2 divisors, whose sum is σ = 1130131362. Its totient is φ = 1130131360.

The previous prime is 1130131313. The next prime is 1130131397. The reversal of 1130131361 is 1631310311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070532961 + 59598400 = 32719^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130131361 - 2¹⁸ = 1129869217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130151361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565065680 + 565065681.

It is an arithmetic number, because the mean of its divisors is an integer number (565065681).

Almost surely, 2^1130131361 is an apocalyptic number.

It is an amenable number.

1130131361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130131361 is an equidigital number, since it uses as much as digits as its factorization.

1130131361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1130131361 is about 33617.4264481980. The cubic root of 1130131361 is about 1041.6207965238.

Adding to 1130131361 its reverse (1631310311), we get a palindrome (2761441672).

The spelling of 1130131361 in words is "one billion, one hundred thirty million, one hundred thirty-one thousand, three hundred sixty-one".