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31430011042212 = 22347269611333889
BaseRepresentation
bin1110010010101110111101…
…01001001011100110100100
311010021200100111202110101220
413021113132221023212210
513104422130311322322
6150502425302420340
76422512654605156
oct711273651134644
9133250314673356
1031430011042212
11a018435944572
12363741b1316b0
13146cab67a6263
147a9313676ad6
153978779e455c
hex1c95dea4b9a4

31430011042212 has 96 divisors (see below), whose sum is σ = 75189991564800. Its totient is φ = 10213671862272.

The previous prime is 31430011042181. The next prime is 31430011042223. The reversal of 31430011042212 is 21224011003413.

It is a super-2 number, since 2×314300110422122 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927422964 + ... + 927456852.

It is an arithmetic number, because the mean of its divisors is an integer number (783229078800).

Almost surely, 231430011042212 is an apocalyptic number.

It is an amenable number.

31430011042212 is an abundant number, since it is smaller than the sum of its proper divisors (43759980522588).

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

31430011042212 is a wasteful number, since it uses less digits than its factorization.

31430011042212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40325 (or 40323 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31430011042212 its reverse (21224011003413), we get a palindrome (52654022045625).

The spelling of 31430011042212 in words is "thirty-one trillion, four hundred thirty billion, eleven million, forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 47 94 141 188 269 282 538 564 807 1076 1614 3228 6113 12226 12643 18339 24452 25286 33889 36678 37929 50572 67778 73356 75858 101667 135556 151716 203334 287311 406668 574622 861933 1149244 1592783 1644397 1723866 3185566 3288794 3447732 4778349 4933191 6371132 6577588 9116141 9556698 9866382 18232282 19113396 19732764 27348423 36464564 54696846 77286659 109393692 154573318 207163457 231859977 309146636 414326914 428458627 463719954 621490371 828653828 856917254 927439908 1242980742 1285375881 1713834508 2485961484 2570751762 5141503524 9736682479 19473364958 29210047437 38946729916 55726969933 58420094874 111453939866 116840189748 167180909799 222907879732 334361819598 668723639196 2619167586851 5238335173702 7857502760553 10476670347404 15715005521106 31430011042212