213113115133443 has 24 divisors (see below), whose sum is σ = 357768587155200. Its totient is φ = 119714873390064.

The previous prime is 213113115133441. The next prime is 213113115133483. The reversal of 213113115133443 is 344331511311312.

213113115133443 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 1 + 31 + 151 + 33 + 443 = 666.

It is not a de Polignac number, because 213113115133443 - 2¹ = 213113115133441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213113115133398 and 213113115133407.

It is not an unprimeable number, because it can be changed into a prime (213113115133441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28667351023 + ... + 28667358456.

It is an arithmetic number, because the mean of its divisors is an integer number (14907024464800).

Almost surely, 2^{213113115133443} is an apocalyptic number.

213113115133443 is a deficient number, since it is larger than the sum of its proper divisors (144655472021757).

213113115133443 is a wasteful number, since it uses less digits than its factorization.

213113115133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57334709551 (or 57334709548 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 213113115133443 its reverse (344331511311312), we get a palindrome (557444626444755).

The spelling of 213113115133443 in words is "two hundred thirteen trillion, one hundred thirteen billion, one hundred fifteen million, one hundred thirty-three thousand, four hundred forty-three".