32421104210431 has 2 divisors, whose sum is σ = 32421104210432. Its totient is φ = 32421104210430.

The previous prime is 32421104210423. The next prime is 32421104210449. The reversal of 32421104210431 is 13401240112423.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32421104210431 - 2³ = 32421104210423 is a prime.

It is a super-2 number, since 2×32421104210431² (a number of 28 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 32421104210431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32421104210461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210552105215 + 16210552105216.

It is an arithmetic number, because the mean of its divisors is an integer number (16210552105216).

Almost surely, 2^{32421104210431} is an apocalyptic number.

32421104210431 is a deficient number, since it is larger than the sum of its proper divisors (1).

32421104210431 is an equidigital number, since it uses as much as digits as its factorization.

32421104210431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 32421104210431 its reverse (13401240112423), we get a palindrome (45822344322854).

The spelling of 32421104210431 in words is "thirty-two trillion, four hundred twenty-one billion, one hundred four million, two hundred ten thousand, four hundred thirty-one".