213041155 has 4 divisors (see below), whose sum is σ = 255649392. Its totient is φ = 170432920.

The previous prime is 213041131. The next prime is 213041159. The reversal of 213041155 is 551140312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213041155 - 2⁷ = 213041027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213041159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21304111 + ... + 21304120.

It is an arithmetic number, because the mean of its divisors is an integer number (63912348).

Almost surely, 2^213041155 is an apocalyptic number.

213041155 is a deficient number, since it is larger than the sum of its proper divisors (42608237).

213041155 is an equidigital number, since it uses as much as digits as its factorization.

213041155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42608236.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 213041155 is about 14595.9293982946. The cubic root of 213041155 is about 597.2477229598.

Adding to 213041155 its reverse (551140312), we get a palindrome (764181467).

The spelling of 213041155 in words is "two hundred thirteen million, forty-one thousand, one hundred fifty-five".