1024420031 has 4 divisors (see below), whose sum is σ = 1041213864. Its totient is φ = 1007626200.

The previous prime is 1024420013. The next prime is 1024420039. The reversal of 1024420031 is 1300244201.

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-1024420031 is a prime.

It is a super-2 number, since 2×1024420031² = 2098872799828081922, 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 = 1024419991 and 1024420009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024420039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8396825 + ... + 8396946.

It is an arithmetic number, because the mean of its divisors is an integer number (260303466).

Almost surely, 2^1024420031 is an apocalyptic number.

1024420031 is a deficient number, since it is larger than the sum of its proper divisors (16793833).

1024420031 is an equidigital number, since it uses as much as digits as its factorization.

1024420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16793832.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1024420031 is about 32006.5623115011. The cubic root of 1024420031 is about 1008.0746351131.

Adding to 1024420031 its reverse (1300244201), we get a palindrome (2324664232).

The spelling of 1024420031 in words is "one billion, twenty-four million, four hundred twenty thousand, thirty-one".