1312134347 has 2 divisors, whose sum is σ = 1312134348. Its totient is φ = 1312134346.

The previous prime is 1312134289. The next prime is 1312134353. The reversal of 1312134347 is 7434312131.

It is a strong prime.

It is an emirp because it is prime and its reverse (7434312131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312134347 - 2¹⁶ = 1312068811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312134847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656067173 + 656067174.

It is an arithmetic number, because the mean of its divisors is an integer number (656067174).

Almost surely, 2^1312134347 is an apocalyptic number.

1312134347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312134347 is an equidigital number, since it uses as much as digits as its factorization.

1312134347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 1312134347 is about 36223.3950231063. The cubic root of 1312134347 is about 1094.7781003341.

Adding to 1312134347 its reverse (7434312131), we get a palindrome (8746446478).

The spelling of 1312134347 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, three hundred forty-seven".