3201332081 has 2 divisors, whose sum is σ = 3201332082. Its totient is φ = 3201332080.

The previous prime is 3201332063. The next prime is 3201332107. The reversal of 3201332081 is 1802331023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1813397056 + 1387935025 = 42584^2 + 37255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3201332081 is a prime.

It is a super-2 number, since 2×3201332081² = 20497054185679581122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3201332041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600666040 + 1600666041.

It is an arithmetic number, because the mean of its divisors is an integer number (1600666041).

Almost surely, 2^3201332081 is an apocalyptic number.

It is an amenable number.

3201332081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201332081 is an equidigital number, since it uses as much as digits as its factorization.

3201332081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3201332081 is about 56580.3153137202. The cubic root of 3201332081 is about 1473.8170472717.

The spelling of 3201332081 in words is "three billion, two hundred one million, three hundred thirty-two thousand, eighty-one".