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44131120324321 = 2331317449343457
BaseRepresentation
bin10100000100011000100111…
…10000000001111011100001
312210020220010122122022220211
422002030103300001323201
521241021013300334241
6233505320133534121
712203240205316642
oct1202142360017341
9183226118568824
1044131120324321
11130749a2a22038
124b48aa6aa4341
131b817153b3604
14ac7d599d36c9
15517e42088781
hex282313c01ee1

44131120324321 has 32 divisors (see below), whose sum is σ = 47697008744448. Its totient is φ = 40711819653120.

The previous prime is 44131120324283. The next prime is 44131120324373. The reversal of 44131120324321 is 12342302113144.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44131120324321 - 241 = 41932097068769 is a prime.

It is a super-2 number, since 2×441311203243212 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44131120324381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015490625 + ... + 1015534081.

It is an arithmetic number, because the mean of its divisors is an integer number (1490531523264).

Almost surely, 244131120324321 is an apocalyptic number.

It is an amenable number.

44131120324321 is a deficient number, since it is larger than the sum of its proper divisors (3565888420127).

44131120324321 is a wasteful number, since it uses less digits than its factorization.

44131120324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48321.

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

Adding to 44131120324321 its reverse (12342302113144), we get a palindrome (56473422437465).

The spelling of 44131120324321 in words is "forty-four trillion, one hundred thirty-one billion, one hundred twenty million, three hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 23 31 317 713 4493 7291 9827 43457 103339 139283 226021 999511 1347167 1424281 3203509 13775869 30984841 32758463 44152711 195252301 316844987 427051939 1015512353 4490802923 6052821331 9822194597 61894979417 139214890613 1423584526591 1918744361927 44131120324321