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131500102 = 2195365293
BaseRepresentation
bin1111101011010…
…00100001000110
3100011102220020011
413311220201012
5232131000402
621014300434
73154506136
oct765504106
9304386204
10131500102
1168256a78
123805771a
1321322516
1413670ac6
15b827ed7
hex7d68846

131500102 has 16 divisors (see below), whose sum is σ = 211552560. Its totient is φ = 61113312.

The previous prime is 131500093. The next prime is 131500139. The reversal of 131500102 is 201005131.

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 in 7 ways as a sum of consecutive naturals, for example, 30633 + ... + 34660.

It is an arithmetic number, because the mean of its divisors is an integer number (13222035).

Almost surely, 2131500102 is an apocalyptic number.

131500102 is a deficient number, since it is larger than the sum of its proper divisors (80052458).

131500102 is a wasteful number, since it uses less digits than its factorization.

131500102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65367.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 131500102 is about 11467.3493885902. The cubic root of 131500102 is about 508.5207707476.

Adding to 131500102 its reverse (201005131), we get a palindrome (332505233).

The spelling of 131500102 in words is "one hundred thirty-one million, five hundred thousand, one hundred two".

Divisors: 1 2 19 38 53 106 1007 2014 65293 130586 1240567 2481134 3460529 6921058 65750051 131500102