441003431 has 4 divisors (see below), whose sum is σ = 481094664. Its totient is φ = 400912200.

The previous prime is 441003401. The next prime is 441003467. The reversal of 441003431 is 134300144.

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-441003431 is a prime.

It is a super-2 number, since 2×441003431² = 388968052307543522, 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 (441003401) 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, 20045600 + ... + 20045621.

It is an arithmetic number, because the mean of its divisors is an integer number (120273666).

Almost surely, 2^441003431 is an apocalyptic number.

441003431 is a deficient number, since it is larger than the sum of its proper divisors (40091233).

441003431 is a wasteful number, since it uses less digits than its factorization.

441003431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40091232.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 441003431 is about 21000.0816903173. The cubic root of 441003431 is about 761.1682350662.

Adding to 441003431 its reverse (134300144), we get a palindrome (575303575).

The spelling of 441003431 in words is "four hundred forty-one million, three thousand, four hundred thirty-one".