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31412304330 = 2351195188801
BaseRepresentation
bin11101010000010100…
…011011100111001010
310000002011210101200220
4131100110123213022
51003313022214310
622233002410510
72161266116121
oct352024334712
9100064711626
1031412304330
111235a4771a0
126107b00a36
132c67b61234
14173dc40ab8
15c3caee670
hex75051b9ca

31412304330 has 32 divisors (see below), whose sum is σ = 82243124928. Its totient is φ = 7615104000.

The previous prime is 31412304299. The next prime is 31412304331. The reversal of 31412304330 is 3340321413.

It is a self number, because there is not a number n which added to its sum of digits gives 31412304330.

It is not an unprimeable number, because it can be changed into a prime (31412304331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47594071 + ... + 47594730.

It is an arithmetic number, because the mean of its divisors is an integer number (2570097654).

Almost surely, 231412304330 is an apocalyptic number.

31412304330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31412304330 is an abundant number, since it is smaller than the sum of its proper divisors (50830820598).

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

31412304330 is a wasteful number, since it uses less digits than its factorization.

31412304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95188822.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31412304330 its reverse (3340321413), we get a palindrome (34752625743).

The spelling of 31412304330 in words is "thirty-one billion, four hundred twelve million, three hundred four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 95188801 190377602 285566403 475944005 571132806 951888010 1047076811 1427832015 2094153622 2855664030 3141230433 5235384055 6282460866 10470768110 15706152165 31412304330