424002031 has 4 divisors (see below), whose sum is σ = 429810352. Its totient is φ = 418193712.

The previous prime is 424002017. The next prime is 424002041. The reversal of 424002031 is 130200424.

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 424002031 - 2⁹ = 424001519 is a prime.

It is a super-2 number, since 2×424002031² = 359555444584249922, 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 = 424001996 and 424002014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424002041) 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, 2904051 + ... + 2904196.

It is an arithmetic number, because the mean of its divisors is an integer number (107452588).

Almost surely, 2^424002031 is an apocalyptic number.

424002031 is a deficient number, since it is larger than the sum of its proper divisors (5808321).

424002031 is an equidigital number, since it uses as much as digits as its factorization.

424002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808320.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 424002031 is about 20591.3095989546. The cubic root of 424002031 is about 751.2583503732.

Adding to 424002031 its reverse (130200424), we get a palindrome (554202455).

The spelling of 424002031 in words is "four hundred twenty-four million, two thousand, thirty-one".