1130310257 has 2 divisors, whose sum is σ = 1130310258. Its totient is φ = 1130310256.

The previous prime is 1130310253. The next prime is 1130310281. The reversal of 1130310257 is 7520130311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1099850896 + 30459361 = 33164^2 + 5519^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130310257 - 2² = 1130310253 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130310253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565155128 + 565155129.

It is an arithmetic number, because the mean of its divisors is an integer number (565155129).

Almost surely, 2^1130310257 is an apocalyptic number.

It is an amenable number.

1130310257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130310257 is an equidigital number, since it uses as much as digits as its factorization.

1130310257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1130310257 is about 33620.0871057765. The cubic root of 1130310257 is about 1041.6757553155.

Adding to 1130310257 its reverse (7520130311), we get a palindrome (8650440568).

The spelling of 1130310257 in words is "one billion, one hundred thirty million, three hundred ten thousand, two hundred fifty-seven".