213042411 has 18 divisors (see below), whose sum is σ = 316287972. Its totient is φ = 138181680.

The previous prime is 213042409. The next prime is 213042413. The reversal of 213042411 is 114240312.

213042411 is a `hidden beast` number, since 213 + 0 + 42 + 411 = 666.

It is an interprime number because it is at equal distance from previous prime (213042409) and next prime (213042413).

It is not a de Polignac number, because 213042411 - 2¹ = 213042409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213042413) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3676 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (17571554).

Almost surely, 2^213042411 is an apocalyptic number.

213042411 is a deficient number, since it is larger than the sum of its proper divisors (103245561).

213042411 is a wasteful number, since it uses less digits than its factorization.

213042411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371 (or 17331 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 213042411 is about 14595.9724239257. The cubic root of 213042411 is about 597.2488966636.

Adding to 213042411 its reverse (114240312), we get a palindrome (327282723).

The spelling of 213042411 in words is "two hundred thirteen million, forty-two thousand, four hundred eleven".