20330311102311 has 8 divisors (see below), whose sum is σ = 30979521679744. Its totient is φ = 11617320629880.

The previous prime is 20330311102307. The next prime is 20330311102337. The reversal of 20330311102311 is 11320111303302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20330311102311 - 2² = 20330311102307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 968110052491 = 20330311102311 / (2 + 0 + 3 + 3 + 0 + 3 + 1 + 1 + 1 + 0 + 2 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330311102511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484055026225 + ... + 484055026266.

It is an arithmetic number, because the mean of its divisors is an integer number (3872440209968).

Almost surely, 2^{20330311102311} is an apocalyptic number.

20330311102311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20330311102311 is a deficient number, since it is larger than the sum of its proper divisors (10649210577433).

20330311102311 is an equidigital number, since it uses as much as digits as its factorization.

20330311102311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968110052501.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20330311102311 its reverse (11320111303302), we get a palindrome (31650422405613).

The spelling of 20330311102311 in words is "twenty trillion, three hundred thirty billion, three hundred eleven million, one hundred two thousand, three hundred eleven".