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31302313331102 = 21159832111377023
BaseRepresentation
bin1110001111000001000110…
…10001000100100110011110
311002211110202000222121101222
413013200203101010212132
513100324114203043402
6150324030105333342
76410342335144262
oct707404321044636
9132743660877358
1031302313331102
119a7926690a130
123616721497252
131460a45898658
147a307bc740a2
153943a1d557a2
hex1c782344499e

31302313331102 has 64 divisors (see below), whose sum is σ = 52967613726720. Its totient is φ = 13753144927200.

The previous prime is 31302313331101. The next prime is 31302313331153. The reversal of 31302313331102 is 20113331320313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31302313331101) 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, 22043363 + ... + 23420385.

It is an arithmetic number, because the mean of its divisors is an integer number (827618964480).

Almost surely, 231302313331102 is an apocalyptic number.

31302313331102 is a deficient number, since it is larger than the sum of its proper divisors (21665300395618).

31302313331102 is a wasteful number, since it uses less digits than its factorization.

31302313331102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377389.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31302313331102 its reverse (20113331320313), we get a palindrome (51415644651415).

The spelling of 31302313331102 in words is "thirty-one trillion, three hundred two billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred two".

Divisors: 1 2 11 22 59 83 118 166 211 422 649 913 1298 1826 2321 4642 4897 9794 12449 17513 24898 35026 53867 107734 136939 192643 273878 385286 1033267 1377023 2066534 2754046 11365937 15147253 22731874 30294506 81244357 114292909 162488714 228585818 290551853 581103706 893687927 1257221999 1787375854 2514443998 3196070383 6392140766 6743281631 13486563262 17142559327 24115803799 34285118654 48231607598 74176097941 148352195882 188568152597 265273841789 377136305194 530547683578 1422832424141 2845664848282 15651156665551 31302313331102