213143355 has 48 divisors (see below), whose sum is σ = 380090880. Its totient is φ = 110439744.

The previous prime is 213143351. The next prime is 213143363. The reversal of 213143355 is 553341312.

It is not a de Polignac number, because 213143355 - 2² = 213143351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213143351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378304 + ... + 378866.

It is an arithmetic number, because the mean of its divisors is an integer number (7918560).

Almost surely, 2^213143355 is an apocalyptic number.

213143355 is a deficient number, since it is larger than the sum of its proper divisors (166947525).

213143355 is a wasteful number, since it uses less digits than its factorization.

213143355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 797 counting only the distinct ones).

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

The square root of 213143355 is about 14599.4299546249. The cubic root of 213143355 is about 597.3432114886.

Adding to 213143355 its reverse (553341312), we get a palindrome (766484667).

The spelling of 213143355 in words is "two hundred thirteen million, one hundred forty-three thousand, three hundred fifty-five".