20310201311 has 8 divisors (see below), whose sum is σ = 20619576624. Its totient is φ = 20001009600.

The previous prime is 20310201271. The next prime is 20310201323. The reversal of 20310201311 is 11310201302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20310201311 is a prime.

It is a super-2 number, since 2×20310201311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310201511) 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, 185861 + ... + 274161.

It is an arithmetic number, because the mean of its divisors is an integer number (2577447078).

Almost surely, 2^20310201311 is an apocalyptic number.

20310201311 is a deficient number, since it is larger than the sum of its proper divisors (309375313).

20310201311 is an equidigital number, since it uses as much as digits as its factorization.

20310201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91801.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20310201311 its reverse (11310201302), we get a palindrome (31620402613).

Subtracting from 20310201311 its reverse (11310201302), we obtain a palindrome (9000000009).

The spelling of 20310201311 in words is "twenty billion, three hundred ten million, two hundred one thousand, three hundred eleven".