| Base | Representation |
|---|---|
| bin | 1111101010100… |
| … | …00110101111100 |
| 3 | 100011020222012200 |
| 4 | 13311100311330 |
| 5 | 232114400012 |
| 6 | 21012231500 |
| 7 | 3153623340 |
| oct | 765206574 |
| 9 | 304228180 |
| 10 | 131403132 |
| 11 | 681a0133 |
| 12 | 3800b590 |
| 13 | 212ba343 |
| 14 | 13647620 |
| 15 | b8093dc |
| hex | 7d50d7c |
131403132 has 144 divisors (see below), whose sum is σ = 413300160. Its totient is φ = 34338816.
The previous prime is 131403131. The next prime is 131403133. The reversal of 131403132 is 231304131.
131403132 is a `hidden beast` number, since 131 + 403 + 132 = 666.
It is an interprime number because it is at equal distance from previous prime (131403131) and next prime (131403133).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131403131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158094 + ... + 158922.
It is an arithmetic number, because the mean of its divisors is an integer number (2870140).
Almost surely, 2131403132 is an apocalyptic number.
131403132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131403132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206650080).
131403132 is an abundant number, since it is smaller than the sum of its proper divisors (281897028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131403132 is a wasteful number, since it uses less digits than its factorization.
131403132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 900 (or 895 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 131403132 is about 11463.1205175554. The cubic root of 131403132 is about 508.3957432526.
Adding to 131403132 its reverse (231304131), we get a palindrome (362707263).
Subtracting 131403132 from its reverse (231304131), we obtain a palindrome (99900999).
The spelling of 131403132 in words is "one hundred thirty-one million, four hundred three thousand, one hundred thirty-two".
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