213011411 has 4 divisors (see below), whose sum is σ = 225541512. Its totient is φ = 200481312.

The previous prime is 213011389. The next prime is 213011453. The reversal of 213011411 is 114110312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213011411 is a prime.

It is a super-2 number, since 2×213011411² = 90747722432421842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6265025 + ... + 6265058.

It is an arithmetic number, because the mean of its divisors is an integer number (56385378).

Almost surely, 2^213011411 is an apocalyptic number.

213011411 is a deficient number, since it is larger than the sum of its proper divisors (12530101).

213011411 is a wasteful number, since it uses less digits than its factorization.

213011411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12530100.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 213011411 is about 14594.9104485091. The cubic root of 213011411 is about 597.2199265103.

Adding to 213011411 its reverse (114110312), we get a palindrome (327121723).

The spelling of 213011411 in words is "two hundred thirteen million, eleven thousand, four hundred eleven".