211333031030 has 32 divisors (see below), whose sum is σ = 415003868928. Its totient is φ = 76844181600.

The previous prime is 211333031029. The next prime is 211333031057. The reversal of 211333031030 is 30130333112.

It is a junction number, because it is equal to n+sod(n) for n = 211333030993 and 211333031011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563229 + ... + 2644391.

It is an arithmetic number, because the mean of its divisors is an integer number (12968870904).

Almost surely, 2^211333031030 is an apocalyptic number.

211333031030 is a deficient number, since it is larger than the sum of its proper divisors (203670837898).

211333031030 is a wasteful number, since it uses less digits than its factorization.

211333031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104852.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 211333031030 its reverse (30130333112), we get a palindrome (241463364142).

The spelling of 211333031030 in words is "two hundred eleven billion, three hundred thirty-three million, thirty-one thousand, thirty".