211310468 has 12 divisors (see below), whose sum is σ = 370787340. Its totient is φ = 105371232.

The previous prime is 211310423. The next prime is 211310479. The reversal of 211310468 is 864013112.

It can be written as a sum of positive squares in 2 ways, for example, as 162001984 + 49308484 = 12728^2 + 7022^2 .

It is a super-2 number, since 2×211310468² = 89304227772758048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69323 + ... + 72306.

It is an arithmetic number, because the mean of its divisors is an integer number (30898945).

Almost surely, 2^211310468 is an apocalyptic number.

It is an amenable number.

211310468 is a deficient number, since it is larger than the sum of its proper divisors (159476872).

211310468 is a wasteful number, since it uses less digits than its factorization.

211310468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142006 (or 142004 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 211310468 is about 14536.5218673519. The cubic root of 211310468 is about 595.6260322331.

The spelling of 211310468 in words is "two hundred eleven million, three hundred ten thousand, four hundred sixty-eight".