211301313320 has 16 divisors (see below), whose sum is σ = 475427955060. Its totient is φ = 84520525312.

The previous prime is 211301313299. The next prime is 211301313343. The reversal of 211301313320 is 23313103112.

It can be written as a sum of positive squares in 2 ways, for example, as 204153963556 + 7147349764 = 451834^2 + 84542^2 .

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 = 211301313292 and 211301313301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641266377 + ... + 2641266456.

Almost surely, 2^211301313320 is an apocalyptic number.

211301313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211301313320 is an abundant number, since it is smaller than the sum of its proper divisors (264126641740).

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

211301313320 is a wasteful number, since it uses less digits than its factorization.

211301313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282532844 (or 5282532840 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 211301313320 its reverse (23313103112), we get a palindrome (234614416432).

The spelling of 211301313320 in words is "two hundred eleven billion, three hundred one million, three hundred thirteen thousand, three hundred twenty".