103421513 has 8 divisors (see below), whose sum is σ = 113265600. Its totient is φ = 93847248.

The previous prime is 103421449. The next prime is 103421519. The reversal of 103421513 is 315124301.

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

It is a cyclic number.

It is not a de Polignac number, because 103421513 - 2⁶ = 103421449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103421519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66653 + ... + 68186.

It is an arithmetic number, because the mean of its divisors is an integer number (14158200).

Almost surely, 2^103421513 is an apocalyptic number.

103421513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103421513 is a deficient number, since it is larger than the sum of its proper divisors (9844087).

103421513 is a wasteful number, since it uses less digits than its factorization.

103421513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134911.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103421513 is about 10169.6368175073. The cubic root of 103421513 is about 469.3933821701.

Adding to 103421513 its reverse (315124301), we get a palindrome (418545814).

The spelling of 103421513 in words is "one hundred three million, four hundred twenty-one thousand, five hundred thirteen".