20134332311 has 16 divisors (see below), whose sum is σ = 20498819040. Its totient is φ = 19773125760.

The previous prime is 20134332289. The next prime is 20134332331. The reversal of 20134332311 is 11323343102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20134332311 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 (20134332331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14578841 + ... + 14580221.

It is an arithmetic number, because the mean of its divisors is an integer number (1281176190).

Almost surely, 2^20134332311 is an apocalyptic number.

20134332311 is a deficient number, since it is larger than the sum of its proper divisors (364486729).

20134332311 is a wasteful number, since it uses less digits than its factorization.

20134332311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20134332311 its reverse (11323343102), we get a palindrome (31457675413).

The spelling of 20134332311 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-two thousand, three hundred eleven".