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431340121130 = 25231875391831
BaseRepresentation
bin1100100011011011101…
…11111110110000101010
31112020100211112110221212
412101231313332300222
524031341032334010
6530053243433122
743110003351362
oct6215567766052
91466324473855
10431340121130
11156a26287256
126b71ab257a2
13318a1548109
1416c3c5b39a2
15b347eda505
hex646ddfec2a

431340121130 has 16 divisors (see below), whose sum is σ = 810169271424. Its totient is φ = 165034481040.

The previous prime is 431340121123. The next prime is 431340121213. The reversal of 431340121130 is 31121043134.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 431340121096 and 431340121105.

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 7 ways as a sum of consecutive naturals, for example, 937695686 + ... + 937696145.

It is an arithmetic number, because the mean of its divisors is an integer number (50635579464).

Almost surely, 2431340121130 is an apocalyptic number.

431340121130 is a deficient number, since it is larger than the sum of its proper divisors (378829150294).

431340121130 is a wasteful number, since it uses less digits than its factorization.

431340121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875391861.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 431340121130 its reverse (31121043134), we get a palindrome (462461164264).

The spelling of 431340121130 in words is "four hundred thirty-one billion, three hundred forty million, one hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 1875391831 3750783662 9376959155 18753918310 43134012113 86268024226 215670060565 431340121130