32013321281 has 2 divisors, whose sum is σ = 32013321282. Its totient is φ = 32013321280.

The previous prime is 32013321253. The next prime is 32013321313. The reversal of 32013321281 is 18212331023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20921018881 + 11092302400 = 144641^2 + 105320^2 .

It is a cyclic number.

It is not a de Polignac number, because 32013321281 - 2¹⁰ = 32013320257 is a prime.

It is a super-2 number, since 2×32013321281² (a number of 22 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 32013321281.

It is not a weakly prime, because it can be changed into another prime (32013321251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16006660640 + 16006660641.

It is an arithmetic number, because the mean of its divisors is an integer number (16006660641).

Almost surely, 2^32013321281 is an apocalyptic number.

It is an amenable number.

32013321281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32013321281 is an equidigital number, since it uses as much as digits as its factorization.

32013321281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 32013321281 in words is "thirty-two billion, thirteen million, three hundred twenty-one thousand, two hundred eighty-one".