20212312331311 has 8 divisors (see below), whose sum is σ = 20460914175744. Its totient is φ = 19963831439640.

The previous prime is 20212312331269. The next prime is 20212312331359. The reversal of 20212312331311 is 11313321321202.

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 20212312331311 - 2²⁹ = 20211775460399 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 (20212312131311) 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, 29901895 + ... + 30570376.

It is an arithmetic number, because the mean of its divisors is an integer number (2557614271968).

Almost surely, 2^{20212312331311} is an apocalyptic number.

20212312331311 is a deficient number, since it is larger than the sum of its proper divisors (248601844433).

20212312331311 is an equidigital number, since it uses as much as digits as its factorization.

20212312331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60476381.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 20212312331311 its reverse (11313321321202), we get a palindrome (31525633652513).

The spelling of 20212312331311 in words is "twenty trillion, two hundred twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred eleven".