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130431301 = 71113229569
BaseRepresentation
bin1111100011000…
…11100101000101
3100002102121002221
413301203211011
5231342300201
620535332341
73142435120
oct761434505
9302377087
10130431301
1167696a70
12378210b1
1321039bb0
14134733b7
15b6b64a1
hex7c63945

130431301 has 32 divisors (see below), whose sum is σ = 176198400. Its totient is φ = 93242880.

The previous prime is 130431289. The next prime is 130431317. The reversal of 130431301 is 103134031.

It is a cyclic number.

It is not a de Polignac number, because 130431301 - 217 = 130300229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130431391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228945 + ... + 229513.

It is an arithmetic number, because the mean of its divisors is an integer number (5506200).

Almost surely, 2130431301 is an apocalyptic number.

130431301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130431301 is a deficient number, since it is larger than the sum of its proper divisors (45767099).

130431301 is a wasteful number, since it uses less digits than its factorization.

130431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130431301 is about 11420.6523894215. The cubic root of 130431301 is about 507.1393099874.

Adding to 130431301 its reverse (103134031), we get a palindrome (233565332).

The spelling of 130431301 in words is "one hundred thirty million, four hundred thirty-one thousand, three hundred one".

Divisors: 1 7 11 13 77 91 143 229 569 1001 1603 2519 2977 3983 6259 7397 17633 20839 32747 43813 51779 81367 130301 229229 569569 912107 1433311 1693913 10033177 11857391 18633043 130431301