103143430 has 64 divisors (see below), whose sum is σ = 209563200. Its totient is φ = 36288000.

The previous prime is 103143407. The next prime is 103143451. The reversal of 103143430 is 34341301.

It is a junction number, because it is equal to n+sod(n) for n = 103143398 and 103143407.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 410805 + ... + 411055.

It is an arithmetic number, because the mean of its divisors is an integer number (3274425).

Almost surely, 2^103143430 is an apocalyptic number.

103143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103143430 is an abundant number, since it is smaller than the sum of its proper divisors (106419770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103143430 is a wasteful number, since it uses less digits than its factorization.

103143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103143430 is about 10155.9553957272. The cubic root of 103143430 is about 468.9722979987.

Adding to 103143430 its reverse (34341301), we get a palindrome (137484731).

The spelling of 103143430 in words is "one hundred three million, one hundred forty-three thousand, four hundred thirty".