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31143302322130 = 25131461143935837
BaseRepresentation
bin1110001010011000111010…
…11110001101011111010010
311002021021022021201102001101
413011030131132031133102
513040222440343302010
6150123011403455014
76363013030650655
oct705143536153722
9132237267642041
1031143302322130
119a17889290629
1235ab944b2746a
13144ba544b302b
147994b584389c
1539019712273a
hex1c531d78d7d2

31143302322130 has 64 divisors (see below), whose sum is σ = 56649315824640. Its totient is φ = 12326494585600.

The previous prime is 31143302322103. The next prime is 31143302322137. The reversal of 31143302322130 is 3122320334113.

It is not an unprimeable number, because it can be changed into a prime (31143302322137) 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, 869008572 + ... + 869044408.

It is an arithmetic number, because the mean of its divisors is an integer number (885145559760).

Almost surely, 231143302322130 is an apocalyptic number.

31143302322130 is a deficient number, since it is larger than the sum of its proper divisors (25506013502510).

31143302322130 is a wasteful number, since it uses less digits than its factorization.

31143302322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37875.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31143302322130 its reverse (3122320334113), we get a palindrome (34265622656243).

The spelling of 31143302322130 in words is "thirty-one trillion, one hundred forty-three billion, three hundred two million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 131 262 461 655 922 1310 1439 2305 2878 4610 7195 14390 35837 60391 71674 120782 179185 188509 301955 358370 377018 603910 663379 942545 1326758 1885090 3316895 4694647 6633790 9389294 16520857 23473235 33041714 46946470 51569443 82604285 86902649 103138886 165208570 173805298 257847215 434513245 515694430 869026490 2164232267 4328464534 6755597033 10821161335 13511194066 21642322670 23773513223 33777985165 47547026446 67555970330 118867566115 237735132230 3114330232213 6228660464426 15571651161065 31143302322130