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31422424045 = 517735878627
BaseRepresentation
bin11101010000111011…
…000010001111101101
310000002212211112100011
4131100323002033231
51003323120032140
622234003333221
72161451124505
oct352073021755
9100085745304
1031422424045
11123651592a1
12610b381211
132c69c9542c
141741316a05
15c3d94ccea
hex750ec23ed

31422424045 has 32 divisors (see below), whose sum is σ = 40545525888. Its totient is φ = 23292684288.

The previous prime is 31422423997. The next prime is 31422424049. The reversal of 31422424045 is 54042422413.

It is a cyclic number.

It is not a de Polignac number, because 31422424045 - 29 = 31422423533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31422423998 and 31422424016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422424049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3638022 + ... + 3646648.

It is an arithmetic number, because the mean of its divisors is an integer number (1267047684).

Almost surely, 231422424045 is an apocalyptic number.

It is an amenable number.

31422424045 is a deficient number, since it is larger than the sum of its proper divisors (9123101843).

31422424045 is a wasteful number, since it uses less digits than its factorization.

31422424045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9309.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 31422424045 its reverse (54042422413), we get a palindrome (85464846458).

The spelling of 31422424045 in words is "thirty-one billion, four hundred twenty-two million, four hundred twenty-four thousand, forty-five".

Divisors: 1 5 17 73 85 365 587 1241 2935 6205 8627 9979 42851 43135 49895 146659 214255 629771 728467 733295 3148855 3642335 5064049 10706107 25320245 53530535 86088833 369675577 430444165 1848377885 6284484809 31422424045