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BaseRepresentation
bin11111110100011011
320121210002
4133310123
513132311
62443215
71051655
oct376433
9217702
10130331
1189a13
126350b
1347426
14356d5
152893b
hex1fd1b

130331 has 6 divisors (see below), whose sum is σ = 135420. Its totient is φ = 125396.

The previous prime is 130307. The next prime is 130337. The reversal of 130331 is 133031.

Adding to 130331 its reverse (133031), we get a palindrome (263362).

It is not a de Polignac number, because 130331 - 26 = 130267 is a prime.

It is a super-2 number, since 2×1303312 = 33972339122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2180 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (22570).

2130331 is an apocalyptic number.

130331 is a deficient number, since it is larger than the sum of its proper divisors (5089).

130331 is an frugal number, since it uses more digits than its factorization.

130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 130331 is about 361.0138501498. The cubic root of 130331 is about 50.7009280810.

The spelling of 130331 in words is "one hundred thirty thousand, three hundred thirty-one".

Divisors: 1 47 59 2209 2773 130331