212323343421431 has 32 divisors (see below), whose sum is σ = 243194221670400. Its totient is φ = 183579695671680.

The previous prime is 212323343421419. The next prime is 212323343421433. The reversal of 212323343421431 is 134124343323212.

It is a de Polignac number, because none of the positive numbers 2^k-212323343421431 is a prime.

It is a super-2 number, since 2×212323343421431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323343421433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369140965 + ... + 1369296033.

It is an arithmetic number, because the mean of its divisors is an integer number (7599819427200).

Almost surely, 2^{212323343421431} is an apocalyptic number.

212323343421431 is a deficient number, since it is larger than the sum of its proper divisors (30870878248969).

212323343421431 is a wasteful number, since it uses less digits than its factorization.

212323343421431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219239.

The product of its digits is 248832, while the sum is 38.

Adding to 212323343421431 its reverse (134124343323212), we get a palindrome (346447686744643).

The spelling of 212323343421431 in words is "two hundred twelve trillion, three hundred twenty-three billion, three hundred forty-three million, four hundred twenty-one thousand, four hundred thirty-one".