1311730567 has 8 divisors (see below), whose sum is σ = 1531017216. Its totient is φ = 1100418072.

The previous prime is 1311730517. The next prime is 1311730571. The reversal of 1311730567 is 7650371131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311730567 - 2¹¹ = 1311728519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311730517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993183 + ... + 1993840.

It is an arithmetic number, because the mean of its divisors is an integer number (191377152).

Almost surely, 2^1311730567 is an apocalyptic number.

1311730567 is a deficient number, since it is larger than the sum of its proper divisors (219286649).

1311730567 is an equidigital number, since it uses as much as digits as its factorization.

1311730567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987077.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 1311730567 is about 36217.8211244133. The cubic root of 1311730567 is about 1094.6657909877.

The spelling of 1311730567 in words is "one billion, three hundred eleven million, seven hundred thirty thousand, five hundred sixty-seven".