1316563331 has 2 divisors, whose sum is σ = 1316563332. Its totient is φ = 1316563330.

The previous prime is 1316563289. The next prime is 1316563343. The reversal of 1316563331 is 1333656131.

It is a strong prime.

It is an emirp because it is prime and its reverse (1333656131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1316563331 - 2¹⁴ = 1316546947 is a prime.

It is a super-2 number, since 2×1316563331² = 3466678009067631122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1316565331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658281665 + 658281666.

It is an arithmetic number, because the mean of its divisors is an integer number (658281666).

Almost surely, 2^1316563331 is an apocalyptic number.

1316563331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316563331 is an equidigital number, since it uses as much as digits as its factorization.

1316563331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 1316563331 is about 36284.4778245464. The cubic root of 1316563331 is about 1096.0084899421.

The spelling of 1316563331 in words is "one billion, three hundred sixteen million, five hundred sixty-three thousand, three hundred thirty-one".