32013047321 has 2 divisors, whose sum is σ = 32013047322. Its totient is φ = 32013047320.

The previous prime is 32013047281. The next prime is 32013047347. The reversal of 32013047321 is 12374031023.

It is an a-pointer prime, because the next prime (32013047347) can be obtained adding 32013047321 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23542606096 + 8470441225 = 153436^2 + 92035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32013047321 is a prime.

It is not a weakly prime, because it can be changed into another prime (32013047371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16006523660 + 16006523661.

It is an arithmetic number, because the mean of its divisors is an integer number (16006523661).

Almost surely, 2^32013047321 is an apocalyptic number.

It is an amenable number.

32013047321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32013047321 is an equidigital number, since it uses as much as digits as its factorization.

32013047321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 32013047321 its reverse (12374031023), we get a palindrome (44387078344).

The spelling of 32013047321 in words is "thirty-two billion, thirteen million, forty-seven thousand, three hundred twenty-one".