211320100320231 has 8 divisors (see below), whose sum is σ = 322011581440384. Its totient is φ = 120754343040120.

The previous prime is 211320100320227. The next prime is 211320100320271. The reversal of 211320100320231 is 132023001023112.

211320100320231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211320100320231 - 2² = 211320100320227 is a prime.

It is a super-2 number, since 2×211320100320231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10062861920011 = 211320100320231 / (2 + 1 + 1 + 3 + 2 + 0 + 1 + 0 + 0 + 3 + 2 + 0 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211320100320198 and 211320100320207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211320100320271) 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, 5031430959985 + ... + 5031430960026.

It is an arithmetic number, because the mean of its divisors is an integer number (40251447680048).

Almost surely, 2^{211320100320231} is an apocalyptic number.

211320100320231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211320100320231 is a deficient number, since it is larger than the sum of its proper divisors (110691481120153).

211320100320231 is a wasteful number, since it uses less digits than its factorization.

211320100320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062861920021.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211320100320231 its reverse (132023001023112), we get a palindrome (343343101343343).

The spelling of 211320100320231 in words is "two hundred eleven trillion, three hundred twenty billion, one hundred million, three hundred twenty thousand, two hundred thirty-one".