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10112210131 = 83547222731
BaseRepresentation
bin10010110101011110…
…00001010011010011
3222002201220111111011
421122233001103103
5131202211211011
64351231431351
7505406240122
oct113257012323
928081814434
1010112210131
11431a096161
121b62685557
13c520177ba
146bd011ab9
153e2b75621
hex25abc14d3

10112210131 has 8 divisors (see below), whose sum is σ = 10252799424. Its totient is φ = 9972067560.

The previous prime is 10112210099. The next prime is 10112210179. The reversal of 10112210131 is 13101221101.

It is a happy number.

10112210131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10112210131 - 25 = 10112210099 is a prime.

It is a super-2 number, since 2×101122101312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112210831) 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 7 ways as a sum of consecutive naturals, for example, 65965 + ... + 156766.

It is an arithmetic number, because the mean of its divisors is an integer number (1281599928).

Almost surely, 210112210131 is an apocalyptic number.

10112210131 is a deficient number, since it is larger than the sum of its proper divisors (140589293).

10112210131 is an equidigital number, since it uses as much as digits as its factorization.

10112210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223361.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10112210131 its reverse (13101221101), we get a palindrome (23213431232).

The spelling of 10112210131 in words is "ten billion, one hundred twelve million, two hundred ten thousand, one hundred thirty-one".

Divisors: 1 83 547 45401 222731 18486673 121833857 10112210131