10040431 has 4 divisors (see below), whose sum is σ = 10311832. Its totient is φ = 9769032.

The previous prime is 10040413. The next prime is 10040447. The reversal of 10040431 is 13404001.

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 10040431 - 2⁵ = 10040399 is a prime.

It is a super-2 number, since 2×10040431² = 201620509331522, 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 (10040461) 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, 135645 + ... + 135718.

It is an arithmetic number, because the mean of its divisors is an integer number (2577958).

Almost surely, 2^10040431 is an apocalyptic number.

10040431 is a deficient number, since it is larger than the sum of its proper divisors (271401).

10040431 is an equidigital number, since it uses as much as digits as its factorization.

10040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271400.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10040431 is about 3168.6639140180. The cubic root of 10040431 is about 215.7334317340.

Adding to 10040431 its reverse (13404001), we get a palindrome (23444432).

The spelling of 10040431 in words is "ten million, forty thousand, four hundred thirty-one".