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130532331 = 352098353
BaseRepresentation
bin1111100011111…
…00001111101011
3100002121201200210
413301330033223
5231404013311
620541432203
73143335506
oct761741753
9302551623
10130532331
1167755966
123786b663
1321073b87
141349c13d
15b6d63a6
hex7c7c3eb

130532331 has 8 divisors (see below), whose sum is σ = 174097360. Its totient is φ = 86994432.

The previous prime is 130532323. The next prime is 130532371. The reversal of 130532331 is 133235031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130532331 - 23 = 130532323 is a prime.

It is a super-2 number, since 2×1305323312 = 34077378872587122, 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 = 130532298 and 130532307.

It is not an unprimeable number, because it can be changed into a prime (130532321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11451 + ... + 19803.

It is an arithmetic number, because the mean of its divisors is an integer number (21762170).

Almost surely, 2130532331 is an apocalyptic number.

130532331 is a deficient number, since it is larger than the sum of its proper divisors (43565029).

130532331 is an equidigital number, since it uses as much as digits as its factorization.

130532331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13565.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 130532331 is about 11425.0746605876. The cubic root of 130532331 is about 507.2702168603.

Adding to 130532331 its reverse (133235031), we get a palindrome (263767362).

The spelling of 130532331 in words is "one hundred thirty million, five hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 5209 8353 15627 25059 43510777 130532331