1316230709 has 2 divisors, whose sum is σ = 1316230710. Its totient is φ = 1316230708.

The previous prime is 1316230703. The next prime is 1316230759. The reversal of 1316230709 is 9070326131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253868100 + 62362609 = 35410^2 + 7897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316230709 - 2⁴ = 1316230693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316230703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658115354 + 658115355.

It is an arithmetic number, because the mean of its divisors is an integer number (658115355).

Almost surely, 2^1316230709 is an apocalyptic number.

It is an amenable number.

1316230709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316230709 is an equidigital number, since it uses as much as digits as its factorization.

1316230709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1316230709 is about 36279.8940048066. The cubic root of 1316230709 is about 1095.9161821302.

The spelling of 1316230709 in words is "one billion, three hundred sixteen million, two hundred thirty thousand, seven hundred nine".