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131124103 = 1111920373
BaseRepresentation
bin1111101000011…
…00101110000111
3100010201210110021
413310030232013
5232031432403
621002240011
73151352005
oct764145607
9303653407
10131124103
116801a530
1237ab6007
1321220336
14135b3a75
15b7a18bd
hex7d0cb87

131124103 has 4 divisors (see below), whose sum is σ = 143044488. Its totient is φ = 119203720.

The previous prime is 131124101. The next prime is 131124107. The reversal of 131124103 is 301421131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131124103 - 21 = 131124101 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 (131124101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960176 + ... + 5960197.

It is an arithmetic number, because the mean of its divisors is an integer number (35761122).

Almost surely, 2131124103 is an apocalyptic number.

131124103 is a deficient number, since it is larger than the sum of its proper divisors (11920385).

131124103 is a wasteful number, since it uses less digits than its factorization.

131124103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920384.

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

The square root of 131124103 is about 11450.9433235869. The cubic root of 131124103 is about 508.0356359464.

Adding to 131124103 its reverse (301421131), we get a palindrome (432545234).

The spelling of 131124103 in words is "one hundred thirty-one million, one hundred twenty-four thousand, one hundred three".

Divisors: 1 11 11920373 131124103