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130300231 = 853715263
BaseRepresentation
bin1111100010000…
…11100101000111
3100002011221022111
413301003211013
5231324101411
620532441451
73141351025
oct761034507
9302157274
10130300231
1167607546
1237779287
1320cc2339
141343b715
15b68c721
hex7c43947

130300231 has 4 divisors (see below), whose sum is σ = 130324032. Its totient is φ = 130276432.

The previous prime is 130300229. The next prime is 130300237. The reversal of 130300231 is 132003031.

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 130300231 - 21 = 130300229 is a prime.

It is a super-2 number, since 2×1303002312 = 33956300397306722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130300237) 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, 906 + ... + 16168.

It is an arithmetic number, because the mean of its divisors is an integer number (32581008).

Almost surely, 2130300231 is an apocalyptic number.

130300231 is a deficient number, since it is larger than the sum of its proper divisors (23801).

130300231 is an equidigital number, since it uses as much as digits as its factorization.

130300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23800.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 130300231 is about 11414.9126584482. The cubic root of 130300231 is about 506.9693788264.

Adding to 130300231 its reverse (132003031), we get a palindrome (262303262).

The spelling of 130300231 in words is "one hundred thirty million, three hundred thousand, two hundred thirty-one".

Divisors: 1 8537 15263 130300231