210144430012311 has 32 divisors (see below), whose sum is σ = 311899994323200. Its totient is φ = 139837791653280.

The previous prime is 210144430012273. The next prime is 210144430012327. The reversal of 210144430012311 is 113210034441012.

It is a happy number.

210144430012311 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 4 + 44 + 300 + 1 + 2 + 311 = 666.

It is not a de Polignac number, because 210144430012311 - 2⁶ = 210144430012247 is a prime.

It is a super-2 number, since 2×210144430012311² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210144430012711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32083545 + ... + 38074173.

It is an arithmetic number, because the mean of its divisors is an integer number (9746874822600).

Almost surely, 2^{210144430012311} is an apocalyptic number.

210144430012311 is a deficient number, since it is larger than the sum of its proper divisors (101755564310889).

210144430012311 is a wasteful number, since it uses less digits than its factorization.

210144430012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993036 (or 5993030 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 210144430012311 its reverse (113210034441012), we get a palindrome (323354464453323).

The spelling of 210144430012311 in words is "two hundred ten trillion, one hundred forty-four billion, four hundred thirty million, twelve thousand, three hundred eleven".