211300031444 has 12 divisors (see below), whose sum is σ = 369947620224. Its totient is φ = 105600711384.

The previous prime is 211300031431. The next prime is 211300031477. The reversal of 211300031444 is 444130003112.

It is a congruent number.

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, 12316442 + ... + 12333585.

It is an arithmetic number, because the mean of its divisors is an integer number (30828968352).

Almost surely, 2^211300031444 is an apocalyptic number.

It is an amenable number.

211300031444 is a deficient number, since it is larger than the sum of its proper divisors (158647588780).

211300031444 is a wasteful number, since it uses less digits than its factorization.

211300031444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24652174 (or 24652172 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211300031444 its reverse (444130003112), we get a palindrome (655430034556).

The spelling of 211300031444 in words is "two hundred eleven billion, three hundred million, thirty-one thousand, four hundred forty-four".