213020103 has 8 divisors (see below), whose sum is σ = 287622400. Its totient is φ = 140215608.

The previous prime is 213020069. The next prime is 213020161. The reversal of 213020103 is 301020312.

It is a happy number.

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

It is not a de Polignac number, because 213020103 - 2¹² = 213016007 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 (213020603) 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, 449173 + ... + 449646.

It is an arithmetic number, because the mean of its divisors is an integer number (35952800).

Almost surely, 2^213020103 is an apocalyptic number.

213020103 is a deficient number, since it is larger than the sum of its proper divisors (74602297).

213020103 is an equidigital number, since it uses as much as digits as its factorization.

213020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898901.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 213020103 is about 14595.2082205085. The cubic root of 213020103 is about 597.2280496510.

Adding to 213020103 its reverse (301020312), we get a palindrome (514040415).

The spelling of 213020103 in words is "two hundred thirteen million, twenty thousand, one hundred three".