1312101347 has 2 divisors, whose sum is σ = 1312101348. Its totient is φ = 1312101346.

The previous prime is 1312101313. The next prime is 1312101359. The reversal of 1312101347 is 7431012131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312101347 - 2¹⁸ = 1311839203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312101377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656050673 + 656050674.

It is an arithmetic number, because the mean of its divisors is an integer number (656050674).

Almost surely, 2^1312101347 is an apocalyptic number.

1312101347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312101347 is an equidigital number, since it uses as much as digits as its factorization.

1312101347 is an evil number, because the sum of its binary digits is even.

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

The square root of 1312101347 is about 36222.9395135182. The cubic root of 1312101347 is about 1094.7689224172.

Adding to 1312101347 its reverse (7431012131), we get a palindrome (8743113478).

The spelling of 1312101347 in words is "one billion, three hundred twelve million, one hundred one thousand, three hundred forty-seven".