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230012113 = 1271811119
BaseRepresentation
bin11011011010110…
…11010011010001
3121000210211022011
431231123103101
5432340341423
634453542521
75462033152
oct1555332321
9530724264
10230012113
11108921561
1265044a41
1338864956
1422795929
15152d6b0d
hexdb5b4d1

230012113 has 4 divisors (see below), whose sum is σ = 231823360. Its totient is φ = 228200868.

The previous prime is 230012099. The next prime is 230012131. The reversal of 230012113 is 311210032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230012113 - 221 = 227914961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230012093 and 230012102.

It is not an unprimeable number, because it can be changed into a prime (230012143) 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, 905433 + ... + 905686.

It is an arithmetic number, because the mean of its divisors is an integer number (57955840).

Almost surely, 2230012113 is an apocalyptic number.

It is an amenable number.

230012113 is a deficient number, since it is larger than the sum of its proper divisors (1811247).

230012113 is a wasteful number, since it uses less digits than its factorization.

230012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811246.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 230012113 is about 15166.1502366289. The cubic root of 230012113 is about 612.7033231964.

Adding to 230012113 its reverse (311210032), we get a palindrome (541222145).

The spelling of 230012113 in words is "two hundred thirty million, twelve thousand, one hundred thirteen".

Divisors: 1 127 1811119 230012113