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131102032 = 248193877
BaseRepresentation
bin1111101000001…
…11010101010000
3100010200200011211
413310013111100
5232030231112
621001545504
73151230445
oct764072520
9303620154
10131102032
1168004996
1237aa5294
1321213289
14135a99cc
15b79a0a7
hex7d07550

131102032 has 10 divisors (see below), whose sum is σ = 254010218. Its totient is φ = 65551008.

The previous prime is 131102029. The next prime is 131102077. The reversal of 131102032 is 230201131.

It can be written as a sum of positive squares in only one way, i.e., 128958736 + 2143296 = 11356^2 + 1464^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4096923 + ... + 4096954.

Almost surely, 2131102032 is an apocalyptic number.

It is an amenable number.

131102032 is a deficient number, since it is larger than the sum of its proper divisors (122908186).

131102032 is an equidigital number, since it uses as much as digits as its factorization.

131102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193885 (or 8193879 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131102032 is about 11449.9795633005. The cubic root of 131102032 is about 508.0071299142.

Adding to 131102032 its reverse (230201131), we get a palindrome (361303163).

Subtracting 131102032 from its reverse (230201131), we obtain a palindrome (99099099).

The spelling of 131102032 in words is "one hundred thirty-one million, one hundred two thousand, thirty-two".

Divisors: 1 2 4 8 16 8193877 16387754 32775508 65551016 131102032