103613213 has 8 divisors (see below), whose sum is σ = 118981920. Its totient is φ = 89236080.

The previous prime is 103613179. The next prime is 103613227. The reversal of 103613213 is 312316301.

It is a happy number.

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 103613213 - 2¹⁰ = 103612189 is a prime.

It is a super-3 number, since 3×103613213³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103613233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247670 + ... + 248087.

It is an arithmetic number, because the mean of its divisors is an integer number (14872740).

Almost surely, 2^103613213 is an apocalyptic number.

It is an amenable number.

103613213 is a deficient number, since it is larger than the sum of its proper divisors (15368707).

103613213 is a wasteful number, since it uses less digits than its factorization.

103613213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495787.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 103613213 is about 10179.0575693430. The cubic root of 103613213 is about 469.6832224855.

Adding to 103613213 its reverse (312316301), we get a palindrome (415929514).

It can be divided in two parts, 103 and 613213, that added together give a palindrome (613316).

The spelling of 103613213 in words is "one hundred three million, six hundred thirteen thousand, two hundred thirteen".