20334121310431 has 2 divisors, whose sum is σ = 20334121310432. Its totient is φ = 20334121310430.

The previous prime is 20334121310411. The next prime is 20334121310443. The reversal of 20334121310431 is 13401312143302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20334121310431 - 2⁹ = 20334121309919 is a prime.

It is a super-2 number, since 2×20334121310431² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20334121310431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334121310411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167060655215 + 10167060655216.

It is an arithmetic number, because the mean of its divisors is an integer number (10167060655216).

Almost surely, 2^{20334121310431} is an apocalyptic number.

20334121310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334121310431 is an equidigital number, since it uses as much as digits as its factorization.

20334121310431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20334121310431 its reverse (13401312143302), we get a palindrome (33735433453733).

The spelling of 20334121310431 in words is "twenty trillion, three hundred thirty-four billion, one hundred twenty-one million, three hundred ten thousand, four hundred thirty-one".