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244331022431 = 2113115632287
BaseRepresentation
bin1110001110001101000…
…0111000100001011111
3212100122211220221212002
43203203100320201133
513000342220204211
6304124421432515
723436515265236
oct3434320704137
9770584827762
10244331022431
1194690546521
123b429b6b73b
131a06a7633b2
14bb7b96db1d
1565502bc03b
hex38e343885f

244331022431 has 4 divisors (see below), whose sum is σ = 244446656832. Its totient is φ = 244215388032.

The previous prime is 244331022427. The next prime is 244331022449. The reversal of 244331022431 is 134220133442.

244331022431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 244331022431 - 22 = 244331022427 is a prime.

It is a super-2 number, since 2×2443310224312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244331022394 and 244331022403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244331022451) 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 3 ways as a sum of consecutive naturals, for example, 57814031 + ... + 57818256.

It is an arithmetic number, because the mean of its divisors is an integer number (61111664208).

Almost surely, 2244331022431 is an apocalyptic number.

244331022431 is a deficient number, since it is larger than the sum of its proper divisors (115634401).

244331022431 is a wasteful number, since it uses less digits than its factorization.

244331022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115634400.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 244331022431 its reverse (134220133442), we get a palindrome (378551155873).

The spelling of 244331022431 in words is "two hundred forty-four billion, three hundred thirty-one million, twenty-two thousand, four hundred thirty-one".

Divisors: 1 2113 115632287 244331022431