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2131103 = 13179643
BaseRepresentation
bin1000001000010010011111
311000021022202
420020102133
51021143403
6113402115
724054062
oct10102237
94007282
102131103
111226147
1286933b
13598010
143d68d9
152c1688
hex20849f

2131103 has 8 divisors (see below), whose sum is σ = 2430288. Its totient is φ = 1851264.

The previous prime is 2131099. The next prime is 2131109. The reversal of 2131103 is 3011312.

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 2131103 - 22 = 2131099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131109) 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, 4601 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (303786).

22131103 is an apocalyptic number.

2131103 is a deficient number, since it is larger than the sum of its proper divisors (299185).

2131103 is a wasteful number, since it uses less digits than its factorization.

2131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2131103 is about 1459.8297845982. The cubic root of 2131103 is about 128.6870405720.

Adding to 2131103 its reverse (3011312), we get a palindrome (5142415).

The spelling of 2131103 in words is "two million, one hundred thirty-one thousand, one hundred three".

Divisors: 1 13 17 221 9643 125359 163931 2131103