1310320337 has 2 divisors, whose sum is σ = 1310320338. Its totient is φ = 1310320336.

The previous prime is 1310320261. The next prime is 1310320357. The reversal of 1310320337 is 7330230131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 973377601 + 336942736 = 31199^2 + 18356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310320337 - 2²² = 1306126033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310320357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655160168 + 655160169.

It is an arithmetic number, because the mean of its divisors is an integer number (655160169).

Almost surely, 2^1310320337 is an apocalyptic number.

It is an amenable number.

1310320337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310320337 is an equidigital number, since it uses as much as digits as its factorization.

1310320337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1310320337 is about 36198.3471583994. The cubic root of 1310320337 is about 1094.2733617991.

Adding to 1310320337 its reverse (7330230131), we get a palindrome (8640550468).

The spelling of 1310320337 in words is "one billion, three hundred ten million, three hundred twenty thousand, three hundred thirty-seven".