213135315 has 16 divisors (see below), whose sum is σ = 341280000. Its totient is φ = 113584352.

The previous prime is 213135301. The next prime is 213135353. The reversal of 213135315 is 513531312.

It is a cyclic number.

It is not a de Polignac number, because 213135315 - 2¹⁴ = 213118931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17746 + ... + 27224.

It is an arithmetic number, because the mean of its divisors is an integer number (21330000).

Almost surely, 2^213135315 is an apocalyptic number.

213135315 is a deficient number, since it is larger than the sum of its proper divisors (128144685).

213135315 is a wasteful number, since it uses less digits than its factorization.

213135315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986.

The product of its digits is 1350, while the sum is 24.

The square root of 213135315 is about 14599.1545988115. The cubic root of 213135315 is about 597.3357005815.

Adding to 213135315 its reverse (513531312), we get a palindrome (726666627).

The spelling of 213135315 in words is "two hundred thirteen million, one hundred thirty-five thousand, three hundred fifteen".