20212312332131 has 4 divisors (see below), whose sum is σ = 20216671256832. Its totient is φ = 20207953407432.

The previous prime is 20212312332103. The next prime is 20212312332143. The reversal of 20212312332131 is 13123321321202.

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 20212312332131 - 2¹⁴ = 20212312315747 is a prime.

It is a super-2 number, since 2×20212312332131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20212312332131.

It is not an unprimeable number, because it can be changed into a prime (20212312332431) 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, 2179455395 + ... + 2179464668.

It is an arithmetic number, because the mean of its divisors is an integer number (5054167814208).

Almost surely, 2^{20212312332131} is an apocalyptic number.

20212312332131 is a deficient number, since it is larger than the sum of its proper divisors (4358924701).

20212312332131 is an equidigital number, since it uses as much as digits as its factorization.

20212312332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358924700.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20212312332131 its reverse (13123321321202), we get a palindrome (33335633653333).

The spelling of 20212312332131 in words is "twenty trillion, two hundred twelve billion, three hundred twelve million, three hundred thirty-two thousand, one hundred thirty-one".