211031422 has 16 divisors (see below), whose sum is σ = 362849760. Its totient is φ = 90171648.

The previous prime is 211031419. The next prime is 211031453. The reversal of 211031422 is 224130112.

211031422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211031422² = 89068522142684168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211031396 and 211031405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17647 + ... + 27082.

It is an arithmetic number, because the mean of its divisors is an integer number (22678110).

Almost surely, 2^211031422 is an apocalyptic number.

211031422 is a deficient number, since it is larger than the sum of its proper divisors (151818338).

211031422 is a wasteful number, since it uses less digits than its factorization.

211031422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45075.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211031422 is about 14526.9205959143. The cubic root of 211031422 is about 595.3637321230.

Adding to 211031422 its reverse (224130112), we get a palindrome (435161534).

The spelling of 211031422 in words is "two hundred eleven million, thirty-one thousand, four hundred twenty-two".