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31344130324130 = 2513218546822677
BaseRepresentation
bin1110010000001110111111…
…10000001111011010100010
311002222110200100000221202112
413020013133300033122202
513102020234330333010
6150355143352515322
76413352524545661
oct710073760173242
9132873610027675
1031344130324130
119a94a754789a8
1236228519abb42
13146497b20a800
147a50c789cdd8
153954ed100a05
hex1c81dfc0f6a2

31344130324130 has 24 divisors (see below), whose sum is σ = 61093233901332. Its totient is φ = 11573217349824.

The previous prime is 31344130324123. The next prime is 31344130324141. The reversal of 31344130324130 is 3142303144313.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4142450160601 + 27201680163529 = 2035301^2 + 5215523^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9273409649 + ... + 9273413028.

Almost surely, 231344130324130 is an apocalyptic number.

31344130324130 is a deficient number, since it is larger than the sum of its proper divisors (29749103577202).

31344130324130 is a wasteful number, since it uses less digits than its factorization.

31344130324130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546822710 (or 18546822697 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 31344130324130 its reverse (3142303144313), we get a palindrome (34486433468443).

The spelling of 31344130324130 in words is "thirty-one trillion, three hundred forty-four billion, one hundred thirty million, three hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 18546822677 37093645354 92734113385 185468226770 241108694801 482217389602 1205543474005 2411086948010 3134413032413 6268826064826 15672065162065 31344130324130