1310210243 has 2 divisors, whose sum is σ = 1310210244. Its totient is φ = 1310210242.

The previous prime is 1310210173. The next prime is 1310210263. The reversal of 1310210243 is 3420120131.

It is a strong prime.

It is an emirp because it is prime and its reverse (3420120131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310210243 - 2¹⁶ = 1310144707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1310210263) 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, 655105121 + 655105122.

It is an arithmetic number, because the mean of its divisors is an integer number (655105122).

Almost surely, 2^1310210243 is an apocalyptic number.

1310210243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310210243 is an equidigital number, since it uses as much as digits as its factorization.

1310210243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1310210243 is about 36196.8264216630. The cubic root of 1310210243 is about 1094.2427137450.

Adding to 1310210243 its reverse (3420120131), we get a palindrome (4730330374).

The spelling of 1310210243 in words is "one billion, three hundred ten million, two hundred ten thousand, two hundred forty-three".