211030323320 has 16 divisors (see below), whose sum is σ = 474818227560. Its totient is φ = 84412129312.

The previous prime is 211030323247. The next prime is 211030323323. The reversal of 211030323320 is 23323030112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 211030323292 and 211030323301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211030323323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637879002 + ... + 2637879081.

Almost surely, 2^211030323320 is an apocalyptic number.

211030323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211030323320 is an abundant number, since it is smaller than the sum of its proper divisors (263787904240).

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

211030323320 is a wasteful number, since it uses less digits than its factorization.

211030323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275758094 (or 5275758090 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 211030323320 its reverse (23323030112), we get a palindrome (234353353432).

The spelling of 211030323320 in words is "two hundred eleven billion, thirty million, three hundred twenty-three thousand, three hundred twenty".