103213133 has 4 divisors (see below), whose sum is σ = 103233888. Its totient is φ = 103192380.

The previous prime is 103213127. The next prime is 103213139. The reversal of 103213133 is 331312301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (103213127) and next prime (103213139).

It is a cyclic number.

It is not a de Polignac number, because 103213133 - 2⁸ = 103212877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2018 + ... + 14508.

It is an arithmetic number, because the mean of its divisors is an integer number (25808472).

Almost surely, 2^103213133 is an apocalyptic number.

It is an amenable number.

103213133 is a deficient number, since it is larger than the sum of its proper divisors (20755).

103213133 is an equidigital number, since it uses as much as digits as its factorization.

103213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20754.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 103213133 is about 10159.3864480095. The cubic root of 103213133 is about 469.0779160211.

Adding to 103213133 its reverse (331312301), we get a palindrome (434525434).

The spelling of 103213133 in words is "one hundred three million, two hundred thirteen thousand, one hundred thirty-three".