1043234431 has 4 divisors (see below), whose sum is σ = 1044970864. Its totient is φ = 1041498000.

The previous prime is 1043234417. The next prime is 1043234441. The reversal of 1043234431 is 1344323401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344323401 = 31 ⋅43365271.

It is a cyclic number.

It is not a de Polignac number, because 1043234431 - 2⁷ = 1043234303 is a prime.

It is a super-2 number, since 2×1043234431² = 2176676156047787522, 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 = 1043234396 and 1043234405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043234441) 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, 867315 + ... + 868516.

It is an arithmetic number, because the mean of its divisors is an integer number (261242716).

Almost surely, 2^1043234431 is an apocalyptic number.

1043234431 is a deficient number, since it is larger than the sum of its proper divisors (1736433).

1043234431 is an equidigital number, since it uses as much as digits as its factorization.

1043234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736432.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1043234431 is about 32299.1397873070. The cubic root of 1043234431 is about 1014.2086355054.

Adding to 1043234431 its reverse (1344323401), we get a palindrome (2387557832).

The spelling of 1043234431 in words is "one billion, forty-three million, two hundred thirty-four thousand, four hundred thirty-one".