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31101032122 = 215799047873
BaseRepresentation
bin11100111101110001…
…000001011010111010
32222021111002010111121
4130331301001122322
51002143331011442
622142043015454
72150466261016
oct347561013272
988244063447
1031101032122
111220a7a3836
12603b80a58a
132c185177b4
141710775546
15c20615967
hex73dc416ba

31101032122 has 8 divisors (see below), whose sum is σ = 46948692276. Its totient is φ = 15451468032.

The previous prime is 31101032117. The next prime is 31101032141. The reversal of 31101032122 is 22123010113.

It can be written as a sum of positive squares in 2 ways, for example, as 26988246961 + 4112785161 = 164281^2 + 64131^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31101032096 and 31101032105.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49523623 + ... + 49524250.

Almost surely, 231101032122 is an apocalyptic number.

31101032122 is a deficient number, since it is larger than the sum of its proper divisors (15847660154).

31101032122 is a wasteful number, since it uses less digits than its factorization.

31101032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99048032.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31101032122 its reverse (22123010113), we get a palindrome (53224042235).

The spelling of 31101032122 in words is "thirty-one billion, one hundred one million, thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 157 314 99047873 198095746 15550516061 31101032122