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31100302006 = 2443178319687
BaseRepresentation
bin11100111101101110…
…001111001010110110
32222021102201000222021
4130331232033022312
51002143134131011
622142015223354
72150460130264
oct347556171266
988242630867
1031100302006
111220a345234
12603b517b5a
132c18320387
141710625434
15c2051e471
hex73db8f2b6

31100302006 has 16 divisors (see below), whose sum is σ = 46784358144. Its totient is φ = 15505559784.

The previous prime is 31100302001. The next prime is 31100302021. The reversal of 31100302006 is 60020300113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100302001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569895 + ... + 1589581.

It is an arithmetic number, because the mean of its divisors is an integer number (2924022384).

Almost surely, 231100302006 is an apocalyptic number.

31100302006 is a deficient number, since it is larger than the sum of its proper divisors (15684056138).

31100302006 is a wasteful number, since it uses less digits than its factorization.

31100302006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21915.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31100302006 its reverse (60020300113), we get a palindrome (91120602119).

The spelling of 31100302006 in words is "thirty-one billion, one hundred million, three hundred two thousand, six".

Divisors: 1 2 443 886 1783 3566 19687 39374 789869 1579738 8721341 17442682 35101921 70203842 15550151003 31100302006