1024530431 has 4 divisors (see below), whose sum is σ = 1024674864. Its totient is φ = 1024386000.

The previous prime is 1024530421. The next prime is 1024530443. The reversal of 1024530431 is 1340354201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340354201 = 3041 ⋅440761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1024530431 is a prime.

It is a super-2 number, since 2×1024530431² = 2099325208090091522, 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 = 1024530397 and 1024530406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024530421) 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, 60995 + ... + 75956.

It is an arithmetic number, because the mean of its divisors is an integer number (256168716).

Almost surely, 2^1024530431 is an apocalyptic number.

1024530431 is a deficient number, since it is larger than the sum of its proper divisors (144433).

1024530431 is an equidigital number, since it uses as much as digits as its factorization.

1024530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144432.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1024530431 is about 32008.2869113609. The cubic root of 1024530431 is about 1008.1108466405.

Adding to 1024530431 its reverse (1340354201), we get a palindrome (2364884632).

The spelling of 1024530431 in words is "one billion, twenty-four million, five hundred thirty thousand, four hundred thirty-one".