213042471 has 8 divisors (see below), whose sum is σ = 285529200. Its totient is φ = 141292032.

The previous prime is 213042469. The next prime is 213042499. The reversal of 213042471 is 174240312.

It is a happy number.

213042471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213042471 - 2¹ = 213042469 is a prime.

It is a super-3 number, since 3×213042471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213042371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183396 + ... + 184553.

It is an arithmetic number, because the mean of its divisors is an integer number (35691150).

Almost surely, 2^213042471 is an apocalyptic number.

213042471 is a deficient number, since it is larger than the sum of its proper divisors (72486729).

213042471 is a wasteful number, since it uses less digits than its factorization.

213042471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368145.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 213042471 is about 14595.9744792871. The cubic root of 213042471 is about 597.2489527321.

Adding to 213042471 its reverse (174240312), we get a palindrome (387282783).

The spelling of 213042471 in words is "two hundred thirteen million, forty-two thousand, four hundred seventy-one".