1130213243 has 2 divisors, whose sum is σ = 1130213244. Its totient is φ = 1130213242.

The previous prime is 1130213239. The next prime is 1130213281. The reversal of 1130213243 is 3423120311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1130213243 - 2² = 1130213239 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130213743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565106621 + 565106622.

It is an arithmetic number, because the mean of its divisors is an integer number (565106622).

Almost surely, 2^1130213243 is an apocalyptic number.

1130213243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130213243 is an equidigital number, since it uses as much as digits as its factorization.

1130213243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1130213243 is about 33618.6442766510. The cubic root of 1130213243 is about 1041.6459522821.

Adding to 1130213243 its reverse (3423120311), we get a palindrome (4553333554).

The spelling of 1130213243 in words is "one billion, one hundred thirty million, two hundred thirteen thousand, two hundred forty-three".