103431033 has 16 divisors (see below), whose sum is σ = 154094400. Its totient is φ = 68565600.

The previous prime is 103431019. The next prime is 103431059. The reversal of 103431033 is 330134301.

It is not a de Polignac number, because 103431033 - 2⁸ = 103430777 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103430997 and 103431015.

It is not an unprimeable number, because it can be changed into a prime (103431073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5868 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (9630900).

Almost surely, 2^103431033 is an apocalyptic number.

It is an amenable number.

103431033 is a deficient number, since it is larger than the sum of its proper divisors (50663367).

103431033 is a wasteful number, since it uses less digits than its factorization.

103431033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21589 (or 21583 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 103431033 is about 10170.1048667160. The cubic root of 103431033 is about 469.4077843570.

Adding to 103431033 its reverse (330134301), we get a palindrome (433565334).

The spelling of 103431033 in words is "one hundred three million, four hundred thirty-one thousand, thirty-three".