211402314 has 24 divisors (see below), whose sum is σ = 469211652. Its totient is φ = 68748480.

The previous prime is 211402313. The next prime is 211402337. The reversal of 211402314 is 413204112.

It can be written as a sum of positive squares in 2 ways, for example, as 190854225 + 20548089 = 13815^2 + 4533^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211402313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142489 + ... + 143964.

Almost surely, 2^211402314 is an apocalyptic number.

211402314 is an abundant number, since it is smaller than the sum of its proper divisors (257809338).

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

211402314 is a wasteful number, since it uses less digits than its factorization.

211402314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286502 (or 286499 counting only the distinct ones).

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

The square root of 211402314 is about 14539.6806704962. The cubic root of 211402314 is about 595.7123159290.

Adding to 211402314 its reverse (413204112), we get a palindrome (624606426).

The spelling of 211402314 in words is "two hundred eleven million, four hundred two thousand, three hundred fourteen".