20301311311 has 8 divisors (see below), whose sum is σ = 22626848880. Its totient is φ = 18101478528.

The previous prime is 20301311309. The next prime is 20301311333. The reversal of 20301311311 is 11311310302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301311311 - 2¹ = 20301311309 is a prime.

It is a super-2 number, since 2×20301311311² (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 (20301311411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31425856 + ... + 31426501.

It is an arithmetic number, because the mean of its divisors is an integer number (2828356110).

Almost surely, 2^20301311311 is an apocalyptic number.

20301311311 is a deficient number, since it is larger than the sum of its proper divisors (2325537569).

20301311311 is a wasteful number, since it uses less digits than its factorization.

20301311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62852393.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20301311311 its reverse (11311310302), we get a palindrome (31612621613).

The spelling of 20301311311 in words is "twenty billion, three hundred one million, three hundred eleven thousand, three hundred eleven".