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230130303 = 31341914083
BaseRepresentation
bin11011011011110…
…00001001111111
3121001000211102120
431231320021333
5432403132203
634500254023
75463034554
oct1555701177
9531024376
10230130303
111089a2337
12650a1313
13388a66a0
14227c6a2b
151530bb53
hexdb7827f

230130303 has 16 divisors (see below), whose sum is σ = 331255680. Its totient is φ = 141270624.

The previous prime is 230130287. The next prime is 230130323. The reversal of 230130303 is 303031032.

It is not a de Polignac number, because 230130303 - 24 = 230130287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230130323) 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, 9300 + ... + 23382.

It is an arithmetic number, because the mean of its divisors is an integer number (20703480).

Almost surely, 2230130303 is an apocalyptic number.

230130303 is a deficient number, since it is larger than the sum of its proper divisors (101125377).

230130303 is a wasteful number, since it uses less digits than its factorization.

230130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14518.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 230130303 is about 15170.0462425136. The cubic root of 230130303 is about 612.8082495631.

Adding to 230130303 its reverse (303031032), we get a palindrome (533161335).

The spelling of 230130303 in words is "two hundred thirty million, one hundred thirty thousand, three hundred three".

Divisors: 1 3 13 39 419 1257 5447 14083 16341 42249 183079 549237 5900777 17702331 76710101 230130303