20212302013231 has 4 divisors (see below), whose sum is σ = 20212499564992. Its totient is φ = 20212104461472.

The previous prime is 20212302013199. The next prime is 20212302013247. The reversal of 20212302013231 is 13231020321202.

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 20212302013231 - 2⁵ = 20212302013199 is a prime.

It is a super-2 number, since 2×20212302013231² (a number of 27 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 (20212302013271) 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, 98622330 + ... + 98827063.

It is an arithmetic number, because the mean of its divisors is an integer number (5053124891248).

Almost surely, 2^{20212302013231} is an apocalyptic number.

20212302013231 is a deficient number, since it is larger than the sum of its proper divisors (197551761).

20212302013231 is a wasteful number, since it uses less digits than its factorization.

20212302013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197551760.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20212302013231 its reverse (13231020321202), we get a palindrome (33443322334433).

The spelling of 20212302013231 in words is "twenty trillion, two hundred twelve billion, three hundred two million, thirteen thousand, two hundred thirty-one".