20311114430 has 16 divisors (see below), whose sum is σ = 36616005504. Its totient is φ = 8112001440.

The previous prime is 20311114319. The next prime is 20311114433. The reversal of 20311114430 is 3441111302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311114433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548686 + ... + 1561745.

It is an arithmetic number, because the mean of its divisors is an integer number (2288500344).

Almost surely, 2^20311114430 is an apocalyptic number.

20311114430 is a deficient number, since it is larger than the sum of its proper divisors (16304891074).

20311114430 is a wasteful number, since it uses less digits than its factorization.

20311114430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111091.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20311114430 its reverse (3441111302), we get a palindrome (23752225732).

The spelling of 20311114430 in words is "twenty billion, three hundred eleven million, one hundred fourteen thousand, four hundred thirty".