20314432311211 has 4 divisors (see below), whose sum is σ = 20372639854000. Its totient is φ = 20256224768424.

The previous prime is 20314432311209. The next prime is 20314432311319. The reversal of 20314432311211 is 11211323441302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20314432311211 - 2¹ = 20314432311209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20314432311211.

It is not an unprimeable number, because it can be changed into a prime (20314432311011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29103770871 + ... + 29103771568.

It is an arithmetic number, because the mean of its divisors is an integer number (5093159963500).

Almost surely, 2^{20314432311211} is an apocalyptic number.

20314432311211 is a deficient number, since it is larger than the sum of its proper divisors (58207542789).

20314432311211 is an equidigital number, since it uses as much as digits as its factorization.

20314432311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58207542788.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20314432311211 its reverse (11211323441302), we get a palindrome (31525755752513).

The spelling of 20314432311211 in words is "twenty trillion, three hundred fourteen billion, four hundred thirty-two million, three hundred eleven thousand, two hundred eleven".