1311353 has 2 divisors, whose sum is σ = 1311354. Its totient is φ = 1311352.

The previous prime is 1311341. The next prime is 1311367. The reversal of 1311353 is 3531131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 29929 = 1132^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311353 - 2⁸ = 1311097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1311383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655676 + 655677.

It is an arithmetic number, because the mean of its divisors is an integer number (655677).

2^1311353 is an apocalyptic number.

It is an amenable number.

1311353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311353 is an equidigital number, since it uses as much as digits as its factorization.

1311353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135, while the sum is 17.

The square root of 1311353 is about 1145.1432224835. The cubic root of 1311353 is about 109.4560751800.

Adding to 1311353 its reverse (3531131), we get a palindrome (4842484).

The spelling of 1311353 in words is "one million, three hundred eleven thousand, three hundred fifty-three".