210440212103231 has 4 divisors (see below), whose sum is σ = 229571140476264. Its totient is φ = 191309283730200.

The previous prime is 210440212103159. The next prime is 210440212103267. The reversal of 210440212103231 is 132301212044012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210440212103231 - 2²⁶ = 210440144994367 is a prime.

It is a super-2 number, since 2×210440212103231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210440212103231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210440212103291) 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, 9565464186500 + ... + 9565464186521.

It is an arithmetic number, because the mean of its divisors is an integer number (57392785119066).

Almost surely, 2^{210440212103231} is an apocalyptic number.

210440212103231 is a deficient number, since it is larger than the sum of its proper divisors (19130928373033).

210440212103231 is a wasteful number, since it uses less digits than its factorization.

210440212103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19130928373032.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 210440212103231 its reverse (132301212044012), we get a palindrome (342741424147243).

The spelling of 210440212103231 in words is "two hundred ten trillion, four hundred forty billion, two hundred twelve million, one hundred three thousand, two hundred thirty-one".