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130300331 = 7611971549
BaseRepresentation
bin1111100010000…
…11100110101011
3100002011221110012
413301003212223
5231324102311
620532442135
73141351230
oct761034653
9302157405
10130300331
1167607627
123777934b
1320cc23b5
141343b787
15b68c78b
hex7c439ab

130300331 has 16 divisors (see below), whose sum is σ = 152222400. Its totient is φ = 109226880.

The previous prime is 130300321. The next prime is 130300333. The reversal of 130300331 is 133003031.

It is not a de Polignac number, because 130300331 - 210 = 130299307 is a prime.

It is a super-2 number, since 2×1303003312 = 33956352517419122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130300333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83345 + ... + 84893.

It is an arithmetic number, because the mean of its divisors is an integer number (9513900).

Almost surely, 2130300331 is an apocalyptic number.

130300331 is a deficient number, since it is larger than the sum of its proper divisors (21922069).

130300331 is a wasteful number, since it uses less digits than its factorization.

130300331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 130300331 is about 11414.9170386823. The cubic root of 130300331 is about 506.9695085190.

Adding to 130300331 its reverse (133003031), we get a palindrome (263303362).

The spelling of 130300331 in words is "one hundred thirty million, three hundred thousand, three hundred thirty-one".

Divisors: 1 7 61 197 427 1379 1549 10843 12017 84119 94489 305153 661423 2136071 18614333 130300331