441020431 has 4 divisors (see below), whose sum is σ = 445066600. Its totient is φ = 436974264.

The previous prime is 441020407. The next prime is 441020441. The reversal of 441020431 is 134020144.

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-441020431 is a prime.

It is a super-2 number, since 2×441020431² = 388998041118851522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441020399 and 441020408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441020441) 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 in 3 ways as a sum of consecutive naturals, for example, 2022921 + ... + 2023138.

It is an arithmetic number, because the mean of its divisors is an integer number (111266650).

Almost surely, 2^441020431 is an apocalyptic number.

441020431 is a deficient number, since it is larger than the sum of its proper divisors (4046169).

441020431 is a wasteful number, since it uses less digits than its factorization.

441020431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046168.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 441020431 is about 21000.4864467469. The cubic root of 441020431 is about 761.1780155599.

Adding to 441020431 its reverse (134020144), we get a palindrome (575040575).

The spelling of 441020431 in words is "four hundred forty-one million, twenty thousand, four hundred thirty-one".