211303331330 has 96 divisors (see below), whose sum is σ = 486921715200. Its totient is φ = 64567915776.

The previous prime is 211303331329. The next prime is 211303331381. The reversal of 211303331330 is 33133303112.

211303331330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211303331296 and 211303331305.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35111 + ... + 651029.

It is an arithmetic number, because the mean of its divisors is an integer number (5072101200).

Almost surely, 2^211303331330 is an apocalyptic number.

211303331330 is an abundant number, since it is smaller than the sum of its proper divisors (275618383870).

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

211303331330 is a wasteful number, since it uses less digits than its factorization.

211303331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615988 (or 615975 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 211303331330 its reverse (33133303112), we get a palindrome (244436634442).

The spelling of 211303331330 in words is "two hundred eleven billion, three hundred three million, three hundred thirty-one thousand, three hundred thirty".