1311301 has 2 divisors, whose sum is σ = 1311302. Its totient is φ = 1311300.

The previous prime is 1311287. The next prime is 1311307. The reversal of 1311301 is 1031131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 123201 = 1090^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311301 - 2⁷ = 1311173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655650 + 655651.

It is an arithmetic number, because the mean of its divisors is an integer number (655651).

2^1311301 is an apocalyptic number.

It is an amenable number.

1311301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311301 is an equidigital number, since it uses as much as digits as its factorization.

1311301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1311301 is about 1145.1205176749. The cubic root of 1311301 is about 109.4546283814.

Adding to 1311301 its reverse (1031131), we get a palindrome (2342432).

It can be divided in two parts, 131130 and 1, that added together give a palindrome (131131).

The spelling of 1311301 in words is "one million, three hundred eleven thousand, three hundred one".