1311030341 has 2 divisors, whose sum is σ = 1311030342. Its totient is φ = 1311030340.

The previous prime is 1311030323. The next prime is 1311030349. The reversal of 1311030341 is 1430301131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1244607841 + 66422500 = 35279^2 + 8150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311030341 - 2¹⁸ = 1310768197 is a prime.

It is a super-3 number, since 3×1311030341³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311030349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655515170 + 655515171.

It is an arithmetic number, because the mean of its divisors is an integer number (655515171).

Almost surely, 2^1311030341 is an apocalyptic number.

It is an amenable number.

1311030341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311030341 is an equidigital number, since it uses as much as digits as its factorization.

1311030341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1311030341 is about 36208.1529631104. The cubic root of 1311030341 is about 1094.4709720462.

Adding to 1311030341 its reverse (1430301131), we get a palindrome (2741331472).

The spelling of 1311030341 in words is "one billion, three hundred eleven million, thirty thousand, three hundred forty-one".