20212031301311 has 4 divisors (see below), whose sum is σ = 20313599298000. Its totient is φ = 20110463304624.

The previous prime is 20212031301199. The next prime is 20212031301331. The reversal of 20212031301311 is 11310313021202.

It is a happy number.

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 20212031301311 - 2²⁶ = 20211964192447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212031301331) 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, 50783998046 + ... + 50783998443.

It is an arithmetic number, because the mean of its divisors is an integer number (5078399824500).

Almost surely, 2^{20212031301311} is an apocalyptic number.

20212031301311 is a deficient number, since it is larger than the sum of its proper divisors (101567996689).

20212031301311 is a wasteful number, since it uses less digits than its factorization.

20212031301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101567996688.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20212031301311 its reverse (11310313021202), we get a palindrome (31522344322513).

The spelling of 20212031301311 in words is "twenty trillion, two hundred twelve billion, thirty-one million, three hundred one thousand, three hundred eleven".