1043132431 has 4 divisors (see below), whose sum is σ = 1137962664. Its totient is φ = 948302200.

The previous prime is 1043132413. The next prime is 1043132443. The reversal of 1043132431 is 1342313401.

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 1043132431 - 2⁷ = 1043132303 is a prime.

It is a super-2 number, since 2×1043132431² = 2176250537207939522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043132411) 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, 47415100 + ... + 47415121.

It is an arithmetic number, because the mean of its divisors is an integer number (284490666).

Almost surely, 2^1043132431 is an apocalyptic number.

1043132431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1043132431 is a deficient number, since it is larger than the sum of its proper divisors (94830233).

1043132431 is an equidigital number, since it uses as much as digits as its factorization.

1043132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94830232.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1043132431 is about 32297.5607592895. The cubic root of 1043132431 is about 1014.1755804063.

Adding to 1043132431 its reverse (1342313401), we get a palindrome (2385445832).

The spelling of 1043132431 in words is "one billion, forty-three million, one hundred thirty-two thousand, four hundred thirty-one".