244330013400131 has 4 divisors (see below), whose sum is σ = 244371236624112. Its totient is φ = 244288790176152.

The previous prime is 244330013400047. The next prime is 244330013400163. The reversal of 244330013400131 is 131004310033442.

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 244330013400131 - 2¹⁰ = 244330013399107 is a prime.

It is a super-3 number, since 3×244330013400131³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244330013400094 and 244330013400103.

It is not an unprimeable number, because it can be changed into a prime (244330013400331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20611603100 + ... + 20611614953.

It is an arithmetic number, because the mean of its divisors is an integer number (61092809156028).

Almost surely, 2^{244330013400131} is an apocalyptic number.

244330013400131 is a deficient number, since it is larger than the sum of its proper divisors (41223223981).

244330013400131 is an equidigital number, since it uses as much as digits as its factorization.

244330013400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41223223980.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 244330013400131 its reverse (131004310033442), we get a palindrome (375334323433573).

The spelling of 244330013400131 in words is "two hundred forty-four trillion, three hundred thirty billion, thirteen million, four hundred thousand, one hundred thirty-one".