211341402 has 12 divisors (see below), whose sum is σ = 457906410. Its totient is φ = 70447128.

The previous prime is 211341401. The next prime is 211341407. The reversal of 211341402 is 204143112.

It can be written as a sum of positive squares in only one way, i.e., 206238321 + 5103081 = 14361^2 + 2259^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11741189 = 211341402 / (2 + 1 + 1 + 3 + 4 + 1 + 4 + 0 + 2).

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 in 5 ways as a sum of consecutive naturals, for example, 5870577 + ... + 5870612.

Almost surely, 2^211341402 is an apocalyptic number.

211341402 is an abundant number, since it is smaller than the sum of its proper divisors (246565008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211341402 is a wasteful number, since it uses less digits than its factorization.

211341402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11741197 (or 11741194 counting only the distinct ones).

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

The square root of 211341402 is about 14537.5858380957. The cubic root of 211341402 is about 595.6550956247.

Adding to 211341402 its reverse (204143112), we get a palindrome (415484514).

The spelling of 211341402 in words is "two hundred eleven million, three hundred forty-one thousand, four hundred two".