103504513243 has 8 divisors (see below), whose sum is σ = 112266015120. Its totient is φ = 95040011520.

The previous prime is 103504513237. The next prime is 103504513283. The reversal of 103504513243 is 342315405301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103504513243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103504513213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74249313 + ... + 74250706.

It is an arithmetic number, because the mean of its divisors is an integer number (14033251890).

Almost surely, 2^103504513243 is an apocalyptic number.

103504513243 is a deficient number, since it is larger than the sum of its proper divisors (8761501877).

103504513243 is a wasteful number, since it uses less digits than its factorization.

103504513243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148500077.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 103504513243 its reverse (342315405301), we get a palindrome (445819918544).

The spelling of 103504513243 in words is "one hundred three billion, five hundred four million, five hundred thirteen thousand, two hundred forty-three".