1311420411 has 24 divisors (see below), whose sum is σ = 2185913600. Its totient is φ = 742103856.

The previous prime is 1311420401. The next prime is 1311420419. The reversal of 1311420411 is 1140241131.

It is not a de Polignac number, because 1311420411 - 2⁵ = 1311420379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311420419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94561 + ... + 107538.

Almost surely, 2^1311420411 is an apocalyptic number.

1311420411 is a deficient number, since it is larger than the sum of its proper divisors (874493189).

1311420411 is a wasteful number, since it uses less digits than its factorization.

1311420411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202215 (or 202212 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1311420411 is about 36213.5390565462. The cubic root of 1311420411 is about 1094.5795070270.

Adding to 1311420411 its reverse (1140241131), we get a palindrome (2451661542).

The spelling of 1311420411 in words is "one billion, three hundred eleven million, four hundred twenty thousand, four hundred eleven".