32000001281 has 2 divisors, whose sum is σ = 32000001282. Its totient is φ = 32000001280.

The previous prime is 32000001233. The next prime is 32000001307. The reversal of 32000001281 is 18210000023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25542432400 + 6457568881 = 159820^2 + 80359^2 .

It is a cyclic number.

It is not a de Polignac number, because 32000001281 - 2⁶ = 32000001217 is a prime.

It is a super-2 number, since 2×32000001281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32000001881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000000640 + 16000000641.

It is an arithmetic number, because the mean of its divisors is an integer number (16000000641).

Almost surely, 2^32000001281 is an apocalyptic number.

It is an amenable number.

32000001281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32000001281 is an equidigital number, since it uses as much as digits as its factorization.

32000001281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The spelling of 32000001281 in words is "thirty-two billion, one thousand, two hundred eighty-one".