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1001301031423 = 721153229269569
BaseRepresentation
bin11101001001000100011…
…00010011100111111111
310112201112101112200002001
432210202030103213333
5112401131031001143
62043554044043131
7132225113223400
oct16444214234777
93481471480061
101001301031423
11356716368080
121420858334a7
13735649a5114
143666b1559a7
151b0a5aac14d
hexe9223139ff

1001301031423 has 96 divisors (see below), whose sum is σ = 1307423592000. Its totient is φ = 758002452480.

The previous prime is 1001301031421. The next prime is 1001301031447. The reversal of 1001301031423 is 3241301031001.

It is not a de Polignac number, because 1001301031423 - 21 = 1001301031421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001301031423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001301031421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1759755483 + ... + 1759756051.

It is an arithmetic number, because the mean of its divisors is an integer number (13618995750).

Almost surely, 21001301031423 is an apocalyptic number.

1001301031423 is a deficient number, since it is larger than the sum of its proper divisors (306122560577).

1001301031423 is a wasteful number, since it uses less digits than its factorization.

1001301031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001301031423 its reverse (3241301031001), we get a palindrome (4242602062424).

The spelling of 1001301031423 in words is "one trillion, one billion, three hundred one million, thirty-one thousand, four hundred twenty-three".

Divisors: 1 7 11 49 53 77 229 269 371 539 569 583 1603 1883 2519 2597 2959 3983 4081 6259 11221 12137 13181 14257 17633 20713 27881 28567 30157 43813 61601 84959 99799 123431 130301 133507 144991 153061 156827 211099 306691 331727 431207 594713 677611 698593 912107 934549 1071427 1097789 1433311 1477693 1683671 2322089 3018449 3264853 4743277 6384749 6541843 6905953 7499989 7684523 8112233 10033177 11785697 16254623 22853971 33202939 35050969 35913383 48341671 56785631 70232239 75965483 82499879 89234563 159977797 245356783 251393681 338391697 385560659 397499417 531758381 624641941 1717497481 1759755767 1857701357 2698924613 3722308667 4372493587 13003909499 18892472291 20434714927 91027366493 143043004489 1001301031423