32131021301221 has 8 divisors (see below), whose sum is σ = 32437050869664. Its totient is φ = 31825098022800.

The previous prime is 32131021301213. The next prime is 32131021301261. The reversal of 32131021301221 is 12210312013123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32131021301221 - 2³ = 32131021301213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32131021301192 and 32131021301201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131021301261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25964970 + ... + 27174283.

It is an arithmetic number, because the mean of its divisors is an integer number (4054631358708).

Almost surely, 2^{32131021301221} is an apocalyptic number.

It is an amenable number.

32131021301221 is a deficient number, since it is larger than the sum of its proper divisors (306029568443).

32131021301221 is a wasteful number, since it uses less digits than its factorization.

32131021301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53145011.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 32131021301221 its reverse (12210312013123), we get a palindrome (44341333314344).

The spelling of 32131021301221 in words is "thirty-two trillion, one hundred thirty-one billion, twenty-one million, three hundred one thousand, two hundred twenty-one".