213534351 has 6 divisors (see below), whose sum is σ = 308438520. Its totient is φ = 142356228.

The previous prime is 213534329. The next prime is 213534359. The reversal of 213534351 is 153435312.

It is not a de Polignac number, because 213534351 - 2⁹ = 213533839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213534359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11863011 + ... + 11863028.

It is an arithmetic number, because the mean of its divisors is an integer number (51406420).

Almost surely, 2^213534351 is an apocalyptic number.

213534351 is a deficient number, since it is larger than the sum of its proper divisors (94904169).

213534351 is a wasteful number, since it uses less digits than its factorization.

213534351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23726045 (or 23726042 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 213534351 is about 14612.8146159458. The cubic root of 213534351 is about 597.7082492760.

Adding to 213534351 its reverse (153435312), we get a palindrome (366969663).

The spelling of 213534351 in words is "two hundred thirteen million, five hundred thirty-four thousand, three hundred fifty-one".