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131003013433444 = 221719175113430713
BaseRepresentation
bin11101110010010110000100…
…000101001000100001100100
3122011211202200020201222210221
4131302112010011020201210
5114132323132414332234
61142341541544454124
736410440540212655
oct3562260405104144
9564752606658727
10131003013433444
113881807a929289
121283931817a344
1358136b9c59829
14244c81890752c
151022a50658eb4
hex772584148864

131003013433444 has 48 divisors (see below), whose sum is σ = 244336706482176. Its totient is φ = 61244046720000.

The previous prime is 131003013433441. The next prime is 131003013433517. The reversal of 131003013433444 is 444334310300131.

It is a super-2 number, since 2×1310030134334442 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (131003013433441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3038632 + ... + 16469344.

It is an arithmetic number, because the mean of its divisors is an integer number (5090348051712).

Almost surely, 2131003013433444 is an apocalyptic number.

It is an amenable number.

131003013433444 is a deficient number, since it is larger than the sum of its proper divisors (113333693048732).

131003013433444 is a wasteful number, since it uses less digits than its factorization.

131003013433444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13431676 (or 13431674 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 131003013433444 its reverse (444334310300131), we get a palindrome (575337323733575).

The spelling of 131003013433444 in words is "one hundred thirty-one trillion, three billion, thirteen million, four hundred thirty-three thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 191 382 751 764 1502 3004 3247 6494 12767 12988 25534 51068 143441 286882 573764 2438497 4876994 9753988 13430713 26861426 53722852 228322121 456644242 913288484 2565266183 5130532366 10086465463 10261064732 20172930926 40345861852 43609525111 87219050222 171469912871 174438100444 342939825742 685879651484 1926514903433 3853029806866 7706059613732 32750753358361 65501506716722 131003013433444