1310606243 has 2 divisors, whose sum is σ = 1310606244. Its totient is φ = 1310606242.

The previous prime is 1310606203. The next prime is 1310606261. The reversal of 1310606243 is 3426060131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310606243 - 2⁶ = 1310606179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310606203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655303121 + 655303122.

It is an arithmetic number, because the mean of its divisors is an integer number (655303122).

Almost surely, 2^1310606243 is an apocalyptic number.

1310606243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310606243 is an equidigital number, since it uses as much as digits as its factorization.

1310606243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1310606243 is about 36202.2961012144. The cubic root of 1310606243 is about 1094.3529445187.

Adding to 1310606243 its reverse (3426060131), we get a palindrome (4736666374).

The spelling of 1310606243 in words is "one billion, three hundred ten million, six hundred six thousand, two hundred forty-three".