1311334410211 has 12 divisors (see below), whose sum is σ = 1527918325392. Its totient is φ = 1122167290608.

The previous prime is 1311334410209. The next prime is 1311334410229. The reversal of 1311334410211 is 1120144331131.

It is not a de Polignac number, because 1311334410211 - 2¹ = 1311334410209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311334413211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21798615 + ... + 21858688.

It is an arithmetic number, because the mean of its divisors is an integer number (127326527116).

Almost surely, 2^{1311334410211} is an apocalyptic number.

1311334410211 is a deficient number, since it is larger than the sum of its proper divisors (216583915181).

1311334410211 is an equidigital number, since it uses as much as digits as its factorization.

1311334410211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43657930 (or 43657923 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1311334410211 its reverse (1120144331131), we get a palindrome (2431478741342).

The spelling of 1311334410211 in words is "one trillion, three hundred eleven billion, three hundred thirty-four million, four hundred ten thousand, two hundred eleven".