1046530231 has 4 divisors (see below), whose sum is σ = 1048611312. Its totient is φ = 1044449152.

The previous prime is 1046530223. The next prime is 1046530297. The reversal of 1046530231 is 1320356401.

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 1046530231 - 2³ = 1046530223 is a prime.

It is a super-2 number, since 2×1046530231² = 2190451048793826722, 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 = 1046530196 and 1046530205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046530531) 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, 1039786 + ... + 1040791.

It is an arithmetic number, because the mean of its divisors is an integer number (262152828).

Almost surely, 2^1046530231 is an apocalyptic number.

1046530231 is a deficient number, since it is larger than the sum of its proper divisors (2081081).

1046530231 is an equidigital number, since it uses as much as digits as its factorization.

1046530231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081080.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1046530231 is about 32350.1194897330. The cubic root of 1046530231 is about 1015.2755465342.

Adding to 1046530231 its reverse (1320356401), we get a palindrome (2366886632).

The spelling of 1046530231 in words is "one billion, forty-six million, five hundred thirty thousand, two hundred thirty-one".