210144213244131 has 4 divisors (see below), whose sum is σ = 280192284325512. Its totient is φ = 140096142162752.

The previous prime is 210144213244127. The next prime is 210144213244169. The reversal of 210144213244131 is 131442312441012.

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 210144213244131 - 2² = 210144213244127 is a prime.

It is a super-2 number, since 2×210144213244131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210144213244092 and 210144213244101.

It is not an unprimeable number, because it can be changed into a prime (210144213204131) 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, 35024035540686 + ... + 35024035540691.

It is an arithmetic number, because the mean of its divisors is an integer number (70048071081378).

Almost surely, 2^{210144213244131} is an apocalyptic number.

210144213244131 is a deficient number, since it is larger than the sum of its proper divisors (70048071081381).

210144213244131 is an equidigital number, since it uses as much as digits as its factorization.

210144213244131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70048071081380.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 210144213244131 its reverse (131442312441012), we get a palindrome (341586525685143).

The spelling of 210144213244131 in words is "two hundred ten trillion, one hundred forty-four billion, two hundred thirteen million, two hundred forty-four thousand, one hundred thirty-one".