326863231 has 4 divisors (see below), whose sum is σ = 329249232. Its totient is φ = 324477232.

The previous prime is 326863223. The next prime is 326863283. The reversal of 326863231 is 132368623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 326863231 - 2³ = 326863223 is a prime.

It is a super-2 number, since 2×326863231² = 213679143559518722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326864231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192795 + ... + 1193068.

It is an arithmetic number, because the mean of its divisors is an integer number (82312308).

Almost surely, 2^326863231 is an apocalyptic number.

326863231 is a deficient number, since it is larger than the sum of its proper divisors (2386001).

326863231 is a wasteful number, since it uses less digits than its factorization.

326863231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386000.

The product of its digits is 31104, while the sum is 34.

The square root of 326863231 is about 18079.3592530266. The cubic root of 326863231 is about 688.8458131995.

The spelling of 326863231 in words is "three hundred twenty-six million, eight hundred sixty-three thousand, two hundred thirty-one".