424520031 has 16 divisors (see below), whose sum is σ = 610270304. Its totient is φ = 260941824.

The previous prime is 424520003. The next prime is 424520051. The reversal of 424520031 is 130025424.

It is not a de Polignac number, because 424520031 - 2⁶ = 424519967 is a prime.

It is a super-2 number, since 2×424520031² = 360434513440481922, 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 (424520051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30735 + ... + 42351.

It is an arithmetic number, because the mean of its divisors is an integer number (38141894).

Almost surely, 2^424520031 is an apocalyptic number.

424520031 is a deficient number, since it is larger than the sum of its proper divisors (185750273).

424520031 is a wasteful number, since it uses less digits than its factorization.

424520031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12570.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 424520031 is about 20603.8838814433. The cubic root of 424520031 is about 751.5641613756.

Adding to 424520031 its reverse (130025424), we get a palindrome (554545455).

The spelling of 424520031 in words is "four hundred twenty-four million, five hundred twenty thousand, thirty-one".