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100131101 = 714304443
BaseRepresentation
bin1011111011111…
…10000100011101
320222102012001022
411331332010131
5201113143401
613534053525
72324046260
oct575760435
9228365038
10100131101
1151580a84
122964a2a5
131798b395
14d426cd7
158bcd71b
hex5f7e11d

100131101 has 4 divisors (see below), whose sum is σ = 114435552. Its totient is φ = 85826652.

The previous prime is 100131089. The next prime is 100131127. The reversal of 100131101 is 101131001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100131101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131181) 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 3 ways as a sum of consecutive naturals, for example, 7152215 + ... + 7152228.

It is an arithmetic number, because the mean of its divisors is an integer number (28608888).

Almost surely, 2100131101 is an apocalyptic number.

It is an amenable number.

100131101 is a deficient number, since it is larger than the sum of its proper divisors (14304451).

100131101 is an equidigital number, since it uses as much as digits as its factorization.

100131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304450.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 100131101 is about 10006.5529029731. The cubic root of 100131101 is about 464.3616337637.

Adding to 100131101 its reverse (101131001), we get a palindrome (201262102).

The spelling of 100131101 in words is "one hundred million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 7 14304443 100131101