211303230331 has 8 divisors (see below), whose sum is σ = 222428843280. Its totient is φ = 200178056448.

The previous prime is 211303230251. The next prime is 211303230349. The reversal of 211303230331 is 133032303112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211303230331 - 2¹⁵ = 211303197563 is a prime.

It is a super-2 number, since 2×211303230331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211303230371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437315 + ... + 1577491.

It is an arithmetic number, because the mean of its divisors is an integer number (27803605410).

Almost surely, 2^211303230331 is an apocalyptic number.

211303230331 is a deficient number, since it is larger than the sum of its proper divisors (11125612949).

211303230331 is a wasteful number, since it uses less digits than its factorization.

211303230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219533.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 211303230331 its reverse (133032303112), we get a palindrome (344335533443).

The spelling of 211303230331 in words is "two hundred eleven billion, three hundred three million, two hundred thirty thousand, three hundred thirty-one".