106321331 has 2 divisors, whose sum is σ = 106321332. Its totient is φ = 106321330.

The previous prime is 106321309. The next prime is 106321343. The reversal of 106321331 is 133123601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106321331 is a prime.

It is a super-2 number, since 2×106321331² = 22608450851223122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106321031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53160665 + 53160666.

It is an arithmetic number, because the mean of its divisors is an integer number (53160666).

Almost surely, 2^106321331 is an apocalyptic number.

106321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

106321331 is an equidigital number, since it uses as much as digits as its factorization.

106321331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 106321331 is about 10311.2235452443. The cubic root of 106321331 is about 473.7400863974.

Adding to 106321331 its reverse (133123601), we get a palindrome (239444932).

The spelling of 106321331 in words is "one hundred six million, three hundred twenty-one thousand, three hundred thirty-one".