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131103104 = 271193113
BaseRepresentation
bin1111101000001…
…11100110000000
3100010200201122112
413310013212000
5232030244404
621001554452
73151233536
oct764074600
9303621575
10131103104
1168005780
1237aa5a28
1321213902
14135aa156
15b79a56e
hex7d07980

131103104 has 32 divisors (see below), whose sum is σ = 284928840. Its totient is φ = 59591680.

The previous prime is 131103103. The next prime is 131103127. The reversal of 131103104 is 401301131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103101) 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, 45149 + ... + 47964.

Almost surely, 2131103104 is an apocalyptic number.

It is an amenable number.

131103104 is an abundant number, since it is smaller than the sum of its proper divisors (153825736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131103104 is an equidigital number, since it uses as much as digits as its factorization.

131103104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93138 (or 93126 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131103104 is about 11450.0263755155. The cubic root of 131103104 is about 508.0085145410.

Adding to 131103104 its reverse (401301131), we get a palindrome (532404235).

The spelling of 131103104 in words is "one hundred thirty-one million, one hundred three thousand, one hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 93113 186226 372452 744904 1024243 1489808 2048486 2979616 4096972 5959232 8193944 11918464 16387888 32775776 65551552 131103104