211303321230 has 16 divisors (see below), whose sum is σ = 507127971024. Its totient is φ = 56347552320.

The previous prime is 211303321219. The next prime is 211303321241. The reversal of 211303321230 is 32123303112.

It is an interprime number because it is at equal distance from previous prime (211303321219) and next prime (211303321241).

It is a junction number, because it is equal to n+sod(n) for n = 211303321197 and 211303321206.

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, 3521721991 + ... + 3521722050.

It is an arithmetic number, because the mean of its divisors is an integer number (31695498189).

Almost surely, 2^211303321230 is an apocalyptic number.

211303321230 is an abundant number, since it is smaller than the sum of its proper divisors (295824649794).

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

211303321230 is a wasteful number, since it uses less digits than its factorization.

211303321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043444051.

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

Adding to 211303321230 its reverse (32123303112), we get a palindrome (243426624342).

The spelling of 211303321230 in words is "two hundred eleven billion, three hundred three million, three hundred twenty-one thousand, two hundred thirty".