1010043431 has 4 divisors (see below), whose sum is σ = 1010128392. Its totient is φ = 1009958472.

The previous prime is 1010043421. The next prime is 1010043449. The reversal of 1010043431 is 1343400101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1343400101 = 2833 ⋅474197.

It is a cyclic number.

It is not a de Polignac number, because 1010043431 - 2¹⁴ = 1010027047 is a prime.

It is a super-2 number, since 2×1010043431² = 2040375465012503522, 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 (1010043421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21041 + ... + 49626.

It is an arithmetic number, because the mean of its divisors is an integer number (252532098).

Almost surely, 2^1010043431 is an apocalyptic number.

1010043431 is a deficient number, since it is larger than the sum of its proper divisors (84961).

1010043431 is an equidigital number, since it uses as much as digits as its factorization.

1010043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84960.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1010043431 is about 31781.1804532179. The cubic root of 1010043431 is about 1003.3366646198.

Adding to 1010043431 its reverse (1343400101), we get a palindrome (2353443532).

The spelling of 1010043431 in words is "one billion, ten million, forty-three thousand, four hundred thirty-one".