103344431 has 4 divisors (see below), whose sum is σ = 105038664. Its totient is φ = 101650200.

The previous prime is 103344413. The next prime is 103344467. The reversal of 103344431 is 134443301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134443301 = 547 ⋅245783.

It is a cyclic number.

It is not a de Polignac number, because 103344431 - 2¹⁰ = 103343407 is a prime.

It is a super-2 number, since 2×103344431² = 21360142837427522, 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 = 103344397 and 103344406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103344331) 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, 847025 + ... + 847146.

It is an arithmetic number, because the mean of its divisors is an integer number (26259666).

Almost surely, 2^103344431 is an apocalyptic number.

103344431 is a deficient number, since it is larger than the sum of its proper divisors (1694233).

103344431 is an equidigital number, since it uses as much as digits as its factorization.

103344431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694232.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 103344431 is about 10165.8463002349. The cubic root of 103344431 is about 469.2767372789.

Adding to 103344431 its reverse (134443301), we get a palindrome (237787732).

The spelling of 103344431 in words is "one hundred three million, three hundred forty-four thousand, four hundred thirty-one".