13201312311 has 64 divisors (see below), whose sum is σ = 22631270400. Its totient is φ = 7516569600.

The previous prime is 13201312303. The next prime is 13201312321. The reversal of 13201312311 is 11321310231.

13201312311 is a `hidden beast` number, since 1 + 320 + 1 + 31 + 2 + 311 = 666.

It is not a de Polignac number, because 13201312311 - 2³ = 13201312303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201312321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3234370 + ... + 3238448.

It is an arithmetic number, because the mean of its divisors is an integer number (353613600).

Almost surely, 2^13201312311 is an apocalyptic number.

13201312311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13201312311 is a deficient number, since it is larger than the sum of its proper divisors (9429958089).

13201312311 is a wasteful number, since it uses less digits than its factorization.

13201312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13201312311 its reverse (11321310231), we get a palindrome (24522622542).

The spelling of 13201312311 in words is "thirteen billion, two hundred one million, three hundred twelve thousand, three hundred eleven".