103431233 has 4 divisors (see below), whose sum is σ = 105953988. Its totient is φ = 100908480.

The previous prime is 103431217. The next prime is 103431239. The reversal of 103431233 is 332134301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48330304 + 55100929 = 6952^2 + 7423^2 .

It is a cyclic number.

It is not a de Polignac number, because 103431233 - 2⁴ = 103431217 is a prime.

It is a super-3 number, since 3×103431233³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103431239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261316 + ... + 1261397.

It is an arithmetic number, because the mean of its divisors is an integer number (26488497).

Almost surely, 2^103431233 is an apocalyptic number.

It is an amenable number.

103431233 is a deficient number, since it is larger than the sum of its proper divisors (2522755).

103431233 is an equidigital number, since it uses as much as digits as its factorization.

103431233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522754.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 103431233 is about 10170.1146994515. The cubic root of 103431233 is about 469.4080869145.

Adding to 103431233 its reverse (332134301), we get a palindrome (435565534).

The spelling of 103431233 in words is "one hundred three million, four hundred thirty-one thousand, two hundred thirty-three".