1320313147 has 2 divisors, whose sum is σ = 1320313148. Its totient is φ = 1320313146.

The previous prime is 1320313123. The next prime is 1320313153. The reversal of 1320313147 is 7413130231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320313147 is a prime.

It is a super-2 number, since 2×1320313147² = 3486453612282087218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1320313747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660156573 + 660156574.

It is an arithmetic number, because the mean of its divisors is an integer number (660156574).

Almost surely, 2^1320313147 is an apocalyptic number.

1320313147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320313147 is an equidigital number, since it uses as much as digits as its factorization.

1320313147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1320313147 is about 36336.1135373611. The cubic root of 1320313147 is about 1097.0480486136.

Adding to 1320313147 its reverse (7413130231), we get a palindrome (8733443378).

The spelling of 1320313147 in words is "one billion, three hundred twenty million, three hundred thirteen thousand, one hundred forty-seven".