326340331 has 2 divisors, whose sum is σ = 326340332. Its totient is φ = 326340330.

The previous prime is 326340323. The next prime is 326340337. The reversal of 326340331 is 133043623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326340331 - 2³ = 326340323 is a prime.

It is a super-2 number, since 2×326340331² = 212996023274379122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326340296 and 326340305.

It is not a weakly prime, because it can be changed into another prime (326340337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163170165 + 163170166.

It is an arithmetic number, because the mean of its divisors is an integer number (163170166).

Almost surely, 2^326340331 is an apocalyptic number.

326340331 is a deficient number, since it is larger than the sum of its proper divisors (1).

326340331 is an equidigital number, since it uses as much as digits as its factorization.

326340331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 326340331 is about 18064.8922222082. The cubic root of 326340331 is about 688.4782897341.

Adding to 326340331 its reverse (133043623), we get a palindrome (459383954).

The spelling of 326340331 in words is "three hundred twenty-six million, three hundred forty thousand, three hundred thirty-one".