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10031011113 = 38773812623
BaseRepresentation
bin10010101011110010…
…10001010100101001
3221220002010011101010
421111321101110221
5131020414323423
64335211214133
7503402121234
oct112571212451
927802104333
1010031011113
114288276132
121b3b447349
13c3b257746
146b231641b
153da986693
hex255e51529

10031011113 has 8 divisors (see below), whose sum is σ = 13389935488. Its totient is φ = 6679713744.

The previous prime is 10031010991. The next prime is 10031011139. The reversal of 10031011113 is 31111013001.

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

It is not a de Polignac number, because 10031011113 - 212 = 10031007017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10031016113) 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, 1903681 + ... + 1908942.

It is an arithmetic number, because the mean of its divisors is an integer number (1673741936).

Almost surely, 210031011113 is an apocalyptic number.

It is an amenable number.

10031011113 is a deficient number, since it is larger than the sum of its proper divisors (3358924375).

10031011113 is an equidigital number, since it uses as much as digits as its factorization.

10031011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813503.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 10031011113 its reverse (31111013001), we get a palindrome (41142024114).

The spelling of 10031011113 in words is "ten billion, thirty-one million, eleven thousand, one hundred thirteen".

Divisors: 1 3 877 2631 3812623 11437869 3343670371 10031011113