211341404 has 6 divisors (see below), whose sum is σ = 369847464. Its totient is φ = 105670700.

The previous prime is 211341401. The next prime is 211341407. The reversal of 211341404 is 404143112.

It is an interprime number because it is at equal distance from previous prime (211341401) and next prime (211341407).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211341401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26417672 + ... + 26417679.

It is an arithmetic number, because the mean of its divisors is an integer number (61641244).

Almost surely, 2^211341404 is an apocalyptic number.

It is an amenable number.

211341404 is a deficient number, since it is larger than the sum of its proper divisors (158506060).

211341404 is a wasteful number, since it uses less digits than its factorization.

211341404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52835355 (or 52835353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 211341404 is about 14537.5859068829. The cubic root of 211341404 is about 595.6550975037.

Adding to 211341404 its reverse (404143112), we get a palindrome (615484516).

The spelling of 211341404 in words is "two hundred eleven million, three hundred forty-one thousand, four hundred four".