211322310330 has 64 divisors (see below), whose sum is σ = 508473884160. Its totient is φ = 56208316224.

The previous prime is 211322310301. The next prime is 211322310371. The reversal of 211322310330 is 33013223112.

It is a junction number, because it is equal to n+sod(n) for n = 211322310297 and 211322310306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22037797 + ... + 22047383.

It is an arithmetic number, because the mean of its divisors is an integer number (7944904440).

Almost surely, 2^211322310330 is an apocalyptic number.

211322310330 is an abundant number, since it is smaller than the sum of its proper divisors (297151573830).

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

211322310330 is a wasteful number, since it uses less digits than its factorization.

211322310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211322310330 its reverse (33013223112), we get a palindrome (244335533442).

The spelling of 211322310330 in words is "two hundred eleven billion, three hundred twenty-two million, three hundred ten thousand, three hundred thirty".