103431303 has 16 divisors (see below), whose sum is σ = 155174400. Its totient is φ = 68079960.

The previous prime is 103431257. The next prime is 103431319. The reversal of 103431303 is 303134301.

It is not a de Polignac number, because 103431303 - 2⁶ = 103431239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103431103) 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 15 ways as a sum of consecutive naturals, for example, 22113 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (9698400).

Almost surely, 2^103431303 is an apocalyptic number.

103431303 is a deficient number, since it is larger than the sum of its proper divisors (51743097).

103431303 is an equidigital number, since it uses as much as digits as its factorization.

103431303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48579 (or 48573 counting only the distinct ones).

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

The square root of 103431303 is about 10170.1181409067. The cubic root of 103431303 is about 469.4081928095.

Adding to 103431303 its reverse (303134301), we get a palindrome (406565604).

The spelling of 103431303 in words is "one hundred three million, four hundred thirty-one thousand, three hundred three".