211314260 has 24 divisors (see below), whose sum is σ = 444172680. Its totient is φ = 84447104.

The previous prime is 211314253. The next prime is 211314269. The reversal of 211314260 is 62413112.

It can be written as a sum of positive squares in 4 ways, for example, as 101525776 + 109788484 = 10076^2 + 10478^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211314269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20282 + ... + 28878.

It is an arithmetic number, because the mean of its divisors is an integer number (18507195).

Almost surely, 2^211314260 is an apocalyptic number.

211314260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211314260 is an abundant number, since it is smaller than the sum of its proper divisors (232858420).

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

211314260 is a wasteful number, since it uses less digits than its factorization.

211314260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835 (or 9833 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 211314260 is about 14536.6522968667. The cubic root of 211314260 is about 595.6295950798.

Adding to 211314260 its reverse (62413112), we get a palindrome (273727372).

The spelling of 211314260 in words is "two hundred eleven million, three hundred fourteen thousand, two hundred sixty".