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131332113 = 32111326587
BaseRepresentation
bin1111101001111…
…11100000010001
3100011010100210100
413310333200101
5232110111423
621010523013
73153206313
oct764774021
9304110710
10131332113
1168151840
1237b96469
1321293c13
14136297b3
15b7e3343
hex7d3f811

131332113 has 12 divisors (see below), whose sum is σ = 206947728. Its totient is φ = 79595160.

The previous prime is 131332111. The next prime is 131332133. The reversal of 131332113 is 311233131.

It is a happy number.

It is not a de Polignac number, because 131332113 - 21 = 131332111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131332111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663195 + ... + 663392.

It is an arithmetic number, because the mean of its divisors is an integer number (17245644).

Almost surely, 2131332113 is an apocalyptic number.

It is an amenable number.

131332113 is a deficient number, since it is larger than the sum of its proper divisors (75615615).

131332113 is a wasteful number, since it uses less digits than its factorization.

131332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326604 (or 1326601 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 131332113 is about 11460.0223821771. The cubic root of 131332113 is about 508.3041364460.

Adding to 131332113 its reverse (311233131), we get a palindrome (442565244).

The spelling of 131332113 in words is "one hundred thirty-one million, three hundred thirty-two thousand, one hundred thirteen".

Divisors: 1 3 9 11 33 99 1326587 3979761 11939283 14592457 43777371 131332113