441445031 has 4 divisors (see below), whose sum is σ = 464679000. Its totient is φ = 418211064.

The previous prime is 441444959. The next prime is 441445057. The reversal of 441445031 is 130544144.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441445031 is a prime.

It is a super-2 number, since 2×441445031² = 389747430789181922, 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 (441445061) 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, 11616956 + ... + 11616993.

It is an arithmetic number, because the mean of its divisors is an integer number (116169750).

Almost surely, 2^441445031 is an apocalyptic number.

441445031 is a deficient number, since it is larger than the sum of its proper divisors (23233969).

441445031 is a wasteful number, since it uses less digits than its factorization.

441445031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233968.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 441445031 is about 21010.5933043310. The cubic root of 441445031 is about 761.4222162796.

Adding to 441445031 its reverse (130544144), we get a palindrome (571989175).

The spelling of 441445031 in words is "four hundred forty-one million, four hundred forty-five thousand, thirty-one".