213003223135 has 8 divisors (see below), whose sum is σ = 255608930160. Its totient is φ = 170399203584.

The previous prime is 213003223129. The next prime is 213003223151. The reversal of 213003223135 is 531322300312.

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 213003223135 - 2³ = 213003223127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125202 + ... + 664591.

It is an arithmetic number, because the mean of its divisors is an integer number (31951116270).

Almost surely, 2^213003223135 is an apocalyptic number.

213003223135 is a deficient number, since it is larger than the sum of its proper divisors (42605707025).

213003223135 is an equidigital number, since it uses as much as digits as its factorization.

213003223135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843737.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 213003223135 its reverse (531322300312), we get a palindrome (744325523447).

The spelling of 213003223135 in words is "two hundred thirteen billion, three million, two hundred twenty-three thousand, one hundred thirty-five".