1310387747 has 2 divisors, whose sum is σ = 1310387748. Its totient is φ = 1310387746.

The previous prime is 1310387731. The next prime is 1310387797. The reversal of 1310387747 is 7477830131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310387747 - 2⁴ = 1310387731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310387797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655193873 + 655193874.

It is an arithmetic number, because the mean of its divisors is an integer number (655193874).

Almost surely, 2^1310387747 is an apocalyptic number.

1310387747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310387747 is an equidigital number, since it uses as much as digits as its factorization.

1310387747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 1310387747 is about 36199.2782662859. The cubic root of 1310387747 is about 1094.2921266004.

The spelling of 1310387747 in words is "one billion, three hundred ten million, three hundred eighty-seven thousand, seven hundred forty-seven".