1312244327 has 2 divisors, whose sum is σ = 1312244328. Its totient is φ = 1312244326.

The previous prime is 1312244317. The next prime is 1312244357. The reversal of 1312244327 is 7234422131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312244327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312244327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312244317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656122163 + 656122164.

It is an arithmetic number, because the mean of its divisors is an integer number (656122164).

Almost surely, 2^1312244327 is an apocalyptic number.

1312244327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312244327 is an equidigital number, since it uses as much as digits as its factorization.

1312244327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 1312244327 is about 36224.9130709792. The cubic root of 1312244327 is about 1094.8086867173.

Adding to 1312244327 its reverse (7234422131), we get a palindrome (8546666458).

The spelling of 1312244327 in words is "one billion, three hundred twelve million, two hundred forty-four thousand, three hundred twenty-seven".