1005430231 has 8 divisors (see below), whose sum is σ = 1086601040. Its totient is φ = 924806592.

The previous prime is 1005430199. The next prime is 1005430253. The reversal of 1005430231 is 1320345001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005430231 - 2⁵ = 1005430199 is a prime.

It is a super-2 number, since 2×1005430231² = 2021779898817426722, 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 = 1005430199 and 1005430208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005434231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132966 + ... + 140323.

It is an arithmetic number, because the mean of its divisors is an integer number (135825130).

Almost surely, 2^1005430231 is an apocalyptic number.

1005430231 is a deficient number, since it is larger than the sum of its proper divisors (81170809).

1005430231 is a wasteful number, since it uses less digits than its factorization.

1005430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273585.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1005430231 is about 31708.5198487725. The cubic root of 1005430231 is about 1001.8068104698.

Adding to 1005430231 its reverse (1320345001), we get a palindrome (2325775232).

The spelling of 1005430231 in words is "one billion, five million, four hundred thirty thousand, two hundred thirty-one".