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2100031133131 = 53181218912867
BaseRepresentation
bin11110100011110011100…
…111000001010111001011
321102202112210001220211201
4132203303213001113023
5233401330432230011
64244424015205031
7304502505051511
oct36436347012713
97382483056751
102100031133131
1173a688910748
1229b000216777
13123055654789
14738dbad64b1
153995ed16cc1
hex1e8f39c15cb

2100031133131 has 8 divisors (see below), whose sum is σ = 2151475666704. Its totient is φ = 2049024425760.

The previous prime is 2100031133129. The next prime is 2100031133183. The reversal of 2100031133131 is 1313311300012.

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 2100031133131 - 21 = 2100031133129 is a prime.

It is a super-2 number, since 2×21000311331312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100031133099 and 2100031133108.

It is not an unprimeable number, because it can be changed into a prime (2100031136131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109446841 + ... + 109466026.

It is an arithmetic number, because the mean of its divisors is an integer number (268934458338).

Almost surely, 22100031133131 is an apocalyptic number.

2100031133131 is a deficient number, since it is larger than the sum of its proper divisors (51444533573).

2100031133131 is a wasteful number, since it uses less digits than its factorization.

2100031133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218913101.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 2100031133131 its reverse (1313311300012), we get a palindrome (3413342433143).

The spelling of 2100031133131 in words is "two trillion, one hundred billion, thirty-one million, one hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 53 181 9593 218912867 11602381951 39623228927 2100031133131