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31080067999 = 411037359713
BaseRepresentation
bin11100111100100001…
…000011001110011111
32222020000122001010121
4130330201003032133
51002122444133444
622140013415411
72150123135101
oct347441031637
988200561117
1031080067999
11121a9985112
12603479a567
132c140875a6
14170ba79571
15c1d874084
hex73c84339f

31080067999 has 8 divisors (see below), whose sum is σ = 32147230752. Its totient is φ = 30027624960.

The previous prime is 31080067987. The next prime is 31080068003. The reversal of 31080067999 is 99976008013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31080067999 - 213 = 31080059807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31080067919) 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 7 ways as a sum of consecutive naturals, for example, 3675634 + ... + 3684079.

It is an arithmetic number, because the mean of its divisors is an integer number (4018403844).

Almost surely, 231080067999 is an apocalyptic number.

31080067999 is a deficient number, since it is larger than the sum of its proper divisors (1067162753).

31080067999 is a wasteful number, since it uses less digits than its factorization.

31080067999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359857.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 31080067999 in words is "thirty-one billion, eighty million, sixty-seven thousand, nine hundred ninety-nine".

Divisors: 1 41 103 4223 7359713 301748233 758050439 31080067999