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331420423001143 = 74367317487106451
BaseRepresentation
bin100101101011011001101010…
…0100101011001010000110111
31121110110111001010010002112211
41023112303110211121100313
5321414443011242014033
63132512235045554251
7126544223016363610
oct11326632445312067
91543414033102484
10331420423001143
1196667680742903
12312075b9115987
13112c0a7265b598
145bbab96944c07
15284b01471c2cd
hex12d6cd4959437

331420423001143 has 64 divisors (see below), whose sum is σ = 395414274613248. Its totient is φ = 271902683606400.

The previous prime is 331420423001137. The next prime is 331420423001147. The reversal of 331420423001143 is 341100324024133.

It is not a de Polignac number, because 331420423001143 - 25 = 331420423001111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331420423001147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3113308068 + ... + 3113414518.

It is an arithmetic number, because the mean of its divisors is an integer number (6178348040832).

Almost surely, 2331420423001143 is an apocalyptic number.

331420423001143 is a deficient number, since it is larger than the sum of its proper divisors (63993851612105).

331420423001143 is a wasteful number, since it uses less digits than its factorization.

331420423001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107372.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 331420423001143 its reverse (341100324024133), we get a palindrome (672520747025276).

The spelling of 331420423001143 in words is "three hundred thirty-one trillion, four hundred twenty billion, four hundred twenty-three million, one thousand, one hundred forty-three".

Divisors: 1 7 43 67 301 317 469 487 2219 2881 3409 13631 20167 20941 21239 32629 95417 106451 146587 148673 154379 228403 745157 913277 1080653 1403047 4577393 6392939 6638297 7132217 9821329 10343393 32041751 33744967 46468079 49925519 51841637 72403751 236214769 306685331 362891459 444765899 1451033581 2146797317 2229190391 2260912789 3113361293 3473389679 10157235067 15604332737 15826389523 16433798929 24313727753 97219249927 115036592503 149355756197 680534749489 706653353947 1045490293379 1101064528243 4946573477629 7707451697701 47345774714449 331420423001143