213113043 has 24 divisors (see below), whose sum is σ = 361648560. Its totient is φ = 119223360.

The previous prime is 213112981. The next prime is 213113051. The reversal of 213113043 is 340311312.

It is not a de Polignac number, because 213113043 - 2⁸ = 213112787 is a prime.

It is a super-3 number, since 3×213113043³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (213113143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81508 + ... + 84081.

It is an arithmetic number, because the mean of its divisors is an integer number (15068690).

Almost surely, 2^213113043 is an apocalyptic number.

213113043 is a deficient number, since it is larger than the sum of its proper divisors (148535517).

213113043 is a wasteful number, since it uses less digits than its factorization.

213113043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165619 (or 165616 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 213113043 is about 14598.3917949889. The cubic root of 213113043 is about 597.3148932614.

Adding to 213113043 its reverse (340311312), we get a palindrome (553424355).

The spelling of 213113043 in words is "two hundred thirteen million, one hundred thirteen thousand, forty-three".