213104011 has 4 divisors (see below), whose sum is σ = 213178024. Its totient is φ = 213030000.

The previous prime is 213103999. The next prime is 213104033. The reversal of 213104011 is 110401312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213104011 - 2¹¹ = 213101963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213103982 and 213104000.

It is not an unprimeable number, because it can be changed into a prime (213104711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32505 + ... + 38506.

It is an arithmetic number, because the mean of its divisors is an integer number (53294506).

Almost surely, 2^213104011 is an apocalyptic number.

213104011 is a deficient number, since it is larger than the sum of its proper divisors (74013).

213104011 is an equidigital number, since it uses as much as digits as its factorization.

213104011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74012.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 213104011 is about 14598.0824425676. The cubic root of 213104011 is about 597.3064548223.

Adding to 213104011 its reverse (110401312), we get a palindrome (323505323).

The spelling of 213104011 in words is "two hundred thirteen million, one hundred four thousand, eleven".