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132130531 = 1310163887
BaseRepresentation
bin1111110000000…
…10011011100011
3100012121221000101
413320002123203
5232311134111
621040003231
73163043131
oct770023343
9305557011
10132130531
1168647695
1238300517
13214b3460
1413796751
15b8eebc1
hex7e026e3

132130531 has 4 divisors (see below), whose sum is σ = 142294432. Its totient is φ = 121966632.

The previous prime is 132130519. The next prime is 132130547. The reversal of 132130531 is 135031231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132130531 - 27 = 132130403 is a prime.

It is a super-2 number, since 2×1321305312 = 34916954444683922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132130499 and 132130508.

It is not an unprimeable number, because it can be changed into a prime (132130501) 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, 5081931 + ... + 5081956.

It is an arithmetic number, because the mean of its divisors is an integer number (35573608).

Almost surely, 2132130531 is an apocalyptic number.

132130531 is a deficient number, since it is larger than the sum of its proper divisors (10163901).

132130531 is a wasteful number, since it uses less digits than its factorization.

132130531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163900.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 132130531 is about 11494.8045220439. The cubic root of 132130531 is about 509.3321143264.

Adding to 132130531 its reverse (135031231), we get a palindrome (267161762).

The spelling of 132130531 in words is "one hundred thirty-two million, one hundred thirty thousand, five hundred thirty-one".

Divisors: 1 13 10163887 132130531