20301323131211 has 4 divisors (see below), whose sum is σ = 20305745118624. Its totient is φ = 20296901143800.

The previous prime is 20301323131189. The next prime is 20301323131237. The reversal of 20301323131211 is 11213132310302.

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 20301323131211 - 2¹⁸ = 20301322869067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301323131511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210986820 + ... + 2210996001.

It is an arithmetic number, because the mean of its divisors is an integer number (5076436279656).

Almost surely, 2^{20301323131211} is an apocalyptic number.

20301323131211 is a deficient number, since it is larger than the sum of its proper divisors (4421987413).

20301323131211 is an equidigital number, since it uses as much as digits as its factorization.

20301323131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421987412.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20301323131211 its reverse (11213132310302), we get a palindrome (31514455441513).

The spelling of 20301323131211 in words is "twenty trillion, three hundred one billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred eleven".