210144431004133 has 4 divisors (see below), whose sum is σ = 210146824727308. Its totient is φ = 210142037280960.

The previous prime is 210144431004119. The next prime is 210144431004169. The reversal of 210144431004133 is 331400134441012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8238007857249 + 201906423146884 = 2870193^2 + 14209378^2 .

It is a cyclic number.

It is not a de Polignac number, because 210144431004133 - 2⁹ = 210144431003621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210144431004095 and 210144431004104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210144431004103) 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, 1196729898 + ... + 1196905483.

It is an arithmetic number, because the mean of its divisors is an integer number (52536706181827).

Almost surely, 2^{210144431004133} is an apocalyptic number.

It is an amenable number.

210144431004133 is a deficient number, since it is larger than the sum of its proper divisors (2393723175).

210144431004133 is an equidigital number, since it uses as much as digits as its factorization.

210144431004133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393723174.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 210144431004133 its reverse (331400134441012), we get a palindrome (541544565445145).

The spelling of 210144431004133 in words is "two hundred ten trillion, one hundred forty-four billion, four hundred thirty-one million, four thousand, one hundred thirty-three".