103513345 has 12 divisors (see below), whose sum is σ = 134507196. Its totient is φ = 76440000.

The previous prime is 103513331. The next prime is 103513379. The reversal of 103513345 is 543315301.

It can be written as a sum of positive squares in 6 ways, for example, as 531441 + 102981904 = 729^2 + 10148^2 .

It is not a de Polignac number, because 103513345 - 2⁷ = 103513217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 60406 + ... + 62095.

It is an arithmetic number, because the mean of its divisors is an integer number (11208933).

Almost surely, 2^103513345 is an apocalyptic number.

It is an amenable number.

103513345 is a deficient number, since it is larger than the sum of its proper divisors (30993851).

103513345 is a wasteful number, since it uses less digits than its factorization.

103513345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122532 (or 122519 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 103513345 is about 10174.1508245160. The cubic root of 103513345 is about 469.5322719742.

Adding to 103513345 its reverse (543315301), we get a palindrome (646828646).

The spelling of 103513345 in words is "one hundred three million, five hundred thirteen thousand, three hundred forty-five".