1310221067 has 2 divisors, whose sum is σ = 1310221068. Its totient is φ = 1310221066.

The previous prime is 1310221043. The next prime is 1310221069. The reversal of 1310221067 is 7601220131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310221067 is a prime.

Together with 1310221069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1310221069) 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, 655110533 + 655110534.

It is an arithmetic number, because the mean of its divisors is an integer number (655110534).

Almost surely, 2^1310221067 is an apocalyptic number.

1310221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310221067 is an equidigital number, since it uses as much as digits as its factorization.

1310221067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1310221067 is about 36196.9759372244. The cubic root of 1310221067 is about 1094.2457270147.

Adding to 1310221067 its reverse (7601220131), we get a palindrome (8911441198).

The spelling of 1310221067 in words is "one billion, three hundred ten million, two hundred twenty-one thousand, sixty-seven".