14203021311 has 12 divisors (see below), whose sum is σ = 20628822760. Its totient is φ = 9416366640.

The previous prime is 14203021307. The next prime is 14203021351. The reversal of 14203021311 is 11312030241.

14203021311 is a `hidden beast` number, since 1 + 420 + 30 + 213 + 1 + 1 = 666.

It is not a de Polignac number, because 14203021311 - 2² = 14203021307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14203021351) 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, 4357801 + ... + 4361058.

Almost surely, 2^14203021311 is an apocalyptic number.

14203021311 is a deficient number, since it is larger than the sum of its proper divisors (6425801449).

14203021311 is a wasteful number, since it uses less digits than its factorization.

14203021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719046 (or 8719043 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 14203021311 its reverse (11312030241), we get a palindrome (25515051552).

It can be divided in two parts, 14 and 203021311, that added together give a triangular number (203021325 = T₂₀₁₅₀).

The spelling of 14203021311 in words is "fourteen billion, two hundred three million, twenty-one thousand, three hundred eleven".