105442331 has 2 divisors, whose sum is σ = 105442332. Its totient is φ = 105442330.

The previous prime is 105442319. The next prime is 105442357. The reversal of 105442331 is 133244501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105442331 - 2¹⁰ = 105441307 is a prime.

It is a super-2 number, since 2×105442331² = 22236170333427122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105442297 and 105442306.

It is not a weakly prime, because it can be changed into another prime (105442301) 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 as a sum of consecutive naturals, namely, 52721165 + 52721166.

It is an arithmetic number, because the mean of its divisors is an integer number (52721166).

Almost surely, 2^105442331 is an apocalyptic number.

105442331 is a deficient number, since it is larger than the sum of its proper divisors (1).

105442331 is an equidigital number, since it uses as much as digits as its factorization.

105442331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105442331 is about 10268.5116253525. The cubic root of 105442331 is about 472.4309405149.

Adding to 105442331 its reverse (133244501), we get a palindrome (238686832).

The spelling of 105442331 in words is "one hundred five million, four hundred forty-two thousand, three hundred thirty-one".