213313435 has 4 divisors (see below), whose sum is σ = 255976128. Its totient is φ = 170650744.

The previous prime is 213313427. The next prime is 213313481. The reversal of 213313435 is 534313312.

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 213313435 - 2³ = 213313427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21331339 + ... + 21331348.

It is an arithmetic number, because the mean of its divisors is an integer number (63994032).

Almost surely, 2^213313435 is an apocalyptic number.

213313435 is a deficient number, since it is larger than the sum of its proper divisors (42662693).

213313435 is an equidigital number, since it uses as much as digits as its factorization.

213313435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42662692.

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

The square root of 213313435 is about 14605.2536780434. The cubic root of 213313435 is about 597.5020546955.

Adding to 213313435 its reverse (534313312), we get a palindrome (747626747).

The spelling of 213313435 in words is "two hundred thirteen million, three hundred thirteen thousand, four hundred thirty-five".