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131331212023302 = 23419371153181357
BaseRepresentation
bin11101110111000111101110…
…001111011001011000000110
3122020000010210222021210210000
4131313013232033121120012
5114203212310234221202
61143152420443342130
736443236602204504
oct3567075617313006
9566003728253700
10131331212023302
11389342884314a5
1212890a51221946
135838631b88665
142460670b31674
15102b35d70a91c
hex7771ee3d9606

131331212023302 has 80 divisors (see below), whose sum is σ = 318139673045040. Its totient is φ = 40352122009152.

The previous prime is 131331212023267. The next prime is 131331212023331. The reversal of 131331212023302 is 203320212133131.

131331212023302 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 3 + 121 + 202 + 330 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 576476793 + ... + 576704564.

It is an arithmetic number, because the mean of its divisors is an integer number (3976745913063).

Almost surely, 2131331212023302 is an apocalyptic number.

131331212023302 is an abundant number, since it is smaller than the sum of its proper divisors (186808461021738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131331212023302 is a wasteful number, since it uses less digits than its factorization.

131331212023302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153181427 (or 1153181418 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131331212023302 its reverse (203320212133131), we get a palindrome (334651424156433).

The spelling of 131331212023302 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, two hundred twelve million, twenty-three thousand, three hundred two".

Divisors: 1 2 3 6 9 18 19 27 37 38 54 57 74 81 111 114 162 171 222 333 342 513 666 703 999 1026 1406 1539 1998 2109 2997 3078 4218 5994 6327 12654 18981 37962 56943 113886 1153181357 2306362714 3459544071 6919088142 10378632213 20757264426 21910445783 31135896639 42667710209 43820891566 62271793278 65731337349 85335420418 93407689917 128003130627 131462674698 186815379834 197194012047 256006261254 384009391881 394388024094 591582036141 768018783762 810686493971 1152028175643 1183164072282 1621372987942 1774746108423 2304056351286 2432059481913 3456084526929 3549492216846 4864118963826 6912169053858 7296178445739 14592356891478 21888535337217 43777070674434 65665606011651 131331212023302