213335155 has 32 divisors (see below), whose sum is σ = 290672640. Its totient is φ = 148936320.

The previous prime is 213335153. The next prime is 213335179. The reversal of 213335155 is 551533312.

It is not a de Polignac number, because 213335155 - 2¹ = 213335153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213335153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160102 + ... + 161428.

It is an arithmetic number, because the mean of its divisors is an integer number (9083520).

Almost surely, 2^213335155 is an apocalyptic number.

213335155 is a deficient number, since it is larger than the sum of its proper divisors (77337485).

213335155 is a wasteful number, since it uses less digits than its factorization.

213335155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its digits is 6750, while the sum is 28.

The square root of 213335155 is about 14605.9972271667. The cubic root of 213335155 is about 597.5223336248.

Adding to 213335155 its reverse (551533312), we get a palindrome (764868467).

The spelling of 213335155 in words is "two hundred thirteen million, three hundred thirty-five thousand, one hundred fifty-five".