32231152425421 has 2 divisors, whose sum is σ = 32231152425422. Its totient is φ = 32231152425420.

The previous prime is 32231152425391. The next prime is 32231152425457. The reversal of 32231152425421 is 12452425113223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18603168033321 + 13627984392100 = 4313139^2 + 3691610^2 .

It is an emirp because it is prime and its reverse (12452425113223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32231152425421 - 2⁷ = 32231152425293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32231152425491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16115576212710 + 16115576212711.

It is an arithmetic number, because the mean of its divisors is an integer number (16115576212711).

Almost surely, 2^{32231152425421} is an apocalyptic number.

It is an amenable number.

32231152425421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32231152425421 is an equidigital number, since it uses as much as digits as its factorization.

32231152425421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

Adding to 32231152425421 its reverse (12452425113223), we get a palindrome (44683577538644).

The spelling of 32231152425421 in words is "thirty-two trillion, two hundred thirty-one billion, one hundred fifty-two million, four hundred twenty-five thousand, four hundred twenty-one".