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130014231 = 343338077
BaseRepresentation
bin1111011111111…
…01110000010111
3100001122101222220
413233331300113
5231240423411
620522353423
73136050144
oct757756027
9301571886
10130014231
1167431686
123765b873
1320c220c9
14133a53cb
15b632b06
hex7bfdc17

130014231 has 4 divisors (see below), whose sum is σ = 173352312. Its totient is φ = 86676152.

The previous prime is 130014223. The next prime is 130014251. The reversal of 130014231 is 132410031.

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 130014231 - 23 = 130014223 is a prime.

It is a super-2 number, since 2×1300142312 = 33807400525042722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130014231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130014251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21669036 + ... + 21669041.

It is an arithmetic number, because the mean of its divisors is an integer number (43338078).

Almost surely, 2130014231 is an apocalyptic number.

130014231 is a deficient number, since it is larger than the sum of its proper divisors (43338081).

130014231 is an equidigital number, since it uses as much as digits as its factorization.

130014231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43338080.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130014231 is about 11402.3783045468. The cubic root of 130014231 is about 506.5981861990.

Adding to 130014231 its reverse (132410031), we get a palindrome (262424262).

The spelling of 130014231 in words is "one hundred thirty million, fourteen thousand, two hundred thirty-one".

Divisors: 1 3 43338077 130014231