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131103132 = 223531391483
BaseRepresentation
bin1111101000001…
…11100110011100
3100010200201200120
413310013212130
5232030300012
621001554540
73151233606
oct764074634
9303621616
10131103132
11680057a6
1237aa5a50
1321213924
14135aa176
15b79a58c
hex7d0799c

131103132 has 48 divisors (see below), whose sum is σ = 314133120. Its totient is φ = 42539328.

The previous prime is 131103127. The next prime is 131103149. The reversal of 131103132 is 231301131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87663 + ... + 89145.

It is an arithmetic number, because the mean of its divisors is an integer number (6544440).

Almost surely, 2131103132 is an apocalyptic number.

131103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131103132 is an abundant number, since it is smaller than the sum of its proper divisors (183029988).

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

131103132 is a wasteful number, since it uses less digits than its factorization.

131103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131103132 is about 11450.0275982200. The cubic root of 131103132 is about 508.0085507065.

Adding to 131103132 its reverse (231301131), we get a palindrome (362404263).

The spelling of 131103132 in words is "one hundred thirty-one million, one hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 53 106 139 159 212 278 318 417 556 636 834 1483 1668 2966 4449 5932 7367 8898 14734 17796 22101 29468 44202 78599 88404 157198 206137 235797 314396 412274 471594 618411 824548 943188 1236822 2473644 10925261 21850522 32775783 43701044 65551566 131103132