103040431 has 4 divisors (see below), whose sum is σ = 110966632. Its totient is φ = 95114232.

The previous prime is 103040429. The next prime is 103040453. The reversal of 103040431 is 134040301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134040301 = 397 ⋅337633.

It is a cyclic number.

It is not a de Polignac number, because 103040431 - 2¹ = 103040429 is a prime.

It is a super-2 number, since 2×103040431² = 21234660841331522, 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 (103040731) 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, 3963081 + ... + 3963106.

It is an arithmetic number, because the mean of its divisors is an integer number (27741658).

Almost surely, 2^103040431 is an apocalyptic number.

103040431 is a deficient number, since it is larger than the sum of its proper divisors (7926201).

103040431 is an equidigital number, since it uses as much as digits as its factorization.

103040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926200.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103040431 is about 10150.8832620615. The cubic root of 103040431 is about 468.8161408063.

Adding to 103040431 its reverse (134040301), we get a palindrome (237080732).

The spelling of 103040431 in words is "one hundred three million, forty thousand, four hundred thirty-one".