3230899281 has 9 divisors (see below), whose sum is σ = 4667100841. Its totient is φ = 2153819172.

The previous prime is 3230899279. The next prime is 3230899291. The reversal of 3230899281 is 1829980323.

The square root of 3230899281 is 56841.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3230899281 - 2¹ = 3230899279 is a prime.

It is a super-2 number, since 2×3230899281² = 20877420327932633922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3230899211) 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 in 8 ways as a sum of consecutive naturals, for example, 161050 + ... + 179996.

Almost surely, 2^3230899281 is an apocalyptic number.

3230899281 is the 56841-st square number.

3230899281 is the 28421-st centered octagonal number.

It is an amenable number.

3230899281 is a deficient number, since it is larger than the sum of its proper divisors (1436201560).

3230899281 is an frugal number, since it uses more digits than its factorization.

3230899281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37900 (or 18950 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The cubic root of 3230899281 is about 1478.3404945818.

Multiplying 3230899281 by its product of nonzero digits (186624), we get a square (602963347417344 = 24555312²).

The spelling of 3230899281 in words is "three billion, two hundred thirty million, eight hundred ninety-nine thousand, two hundred eighty-one".