1311040211 has 8 divisors (see below), whose sum is σ = 1415620080. Its totient is φ = 1206993312.

The previous prime is 1311040183. The next prime is 1311040217. The reversal of 1311040211 is 1120401131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311040211 - 2¹⁸ = 1310778067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311040217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128120 + ... + 137973.

It is an arithmetic number, because the mean of its divisors is an integer number (176952510).

Almost surely, 2^1311040211 is an apocalyptic number.

1311040211 is a deficient number, since it is larger than the sum of its proper divisors (104579869).

1311040211 is a wasteful number, since it uses less digits than its factorization.

1311040211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266485.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1311040211 is about 36208.2892581243. The cubic root of 1311040211 is about 1094.4737185887.

Adding to 1311040211 its reverse (1120401131), we get a palindrome (2431441342).

The spelling of 1311040211 in words is "one billion, three hundred eleven million, forty thousand, two hundred eleven".