244230131421 has 16 divisors (see below), whose sum is σ = 361837163520. Its totient is φ = 162813451680.

The previous prime is 244230131339. The next prime is 244230131473. The reversal of 244230131421 is 124131032442.

244230131421 is a `hidden beast` number, since 2 + 4 + 4 + 230 + 1 + 3 + 1 + 421 = 666.

244230131421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 244230131421 - 2¹⁵ = 244230098653 is a prime.

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 (244230131221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542521 + ... + 884753.

It is an arithmetic number, because the mean of its divisors is an integer number (22614822720).

Almost surely, 2^244230131421 is an apocalyptic number.

It is an amenable number.

244230131421 is a deficient number, since it is larger than the sum of its proper divisors (117607032099).

244230131421 is a wasteful number, since it uses less digits than its factorization.

244230131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368673 (or 368667 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 244230131421 its reverse (124131032442), we get a palindrome (368361163863).

The spelling of 244230131421 in words is "two hundred forty-four billion, two hundred thirty million, one hundred thirty-one thousand, four hundred twenty-one".