103431049 has 6 divisors (see below), whose sum is σ = 105002394. Its totient is φ = 101882880.

The previous prime is 103431019. The next prime is 103431059. The reversal of 103431049 is 940134301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 74701449 + 28729600 = 8643^2 + 5360^2 .

It is not a de Polignac number, because 103431049 - 2²⁵ = 69876617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103431019) 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 5 ways as a sum of consecutive naturals, for example, 7032 + ... + 16009.

It is an arithmetic number, because the mean of its divisors is an integer number (17500399).

Almost surely, 2^103431049 is an apocalyptic number.

It is an amenable number.

103431049 is a deficient number, since it is larger than the sum of its proper divisors (1571345).

103431049 is an frugal number, since it uses more digits than its factorization.

103431049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23175 (or 23108 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 103431049 is about 10170.1056533352. The cubic root of 103431049 is about 469.4078085616.

The spelling of 103431049 in words is "one hundred three million, four hundred thirty-one thousand, forty-nine".