213041043 has 32 divisors (see below), whose sum is σ = 325140480. Its totient is φ = 137782080.

The previous prime is 213041041. The next prime is 213041051. The reversal of 213041043 is 340140312.

213041043 is a `hidden beast` number, since 213 + 0 + 410 + 43 = 666.

It is not a de Polignac number, because 213041043 - 2¹ = 213041041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213041041) 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, 246430 + ... + 247292.

It is an arithmetic number, because the mean of its divisors is an integer number (10160640).

Almost surely, 2^213041043 is an apocalyptic number.

213041043 is a deficient number, since it is larger than the sum of its proper divisors (112099437).

213041043 is a wasteful number, since it uses less digits than its factorization.

213041043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 213041043 is about 14595.9255616079. The cubic root of 213041043 is about 597.2476182981.

Adding to 213041043 its reverse (340140312), we get a palindrome (553181355).

The spelling of 213041043 in words is "two hundred thirteen million, forty-one thousand, forty-three".