105412331 has 4 divisors (see below), whose sum is σ = 107140464. Its totient is φ = 103684200.

The previous prime is 105412319. The next prime is 105412339. The reversal of 105412331 is 133214501.

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 105412331 - 2⁶ = 105412267 is a prime.

It is a super-2 number, since 2×105412331² = 22223519053707122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105412339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863975 + ... + 864096.

It is an arithmetic number, because the mean of its divisors is an integer number (26785116).

Almost surely, 2^105412331 is an apocalyptic number.

105412331 is a deficient number, since it is larger than the sum of its proper divisors (1728133).

105412331 is an equidigital number, since it uses as much as digits as its factorization.

105412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728132.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 105412331 is about 10267.0507449803. The cubic root of 105412331 is about 472.3861315897.

Adding to 105412331 its reverse (133214501), we get a palindrome (238626832).

The spelling of 105412331 in words is "one hundred five million, four hundred twelve thousand, three hundred thirty-one".