Search a number
-
+
230212330231 = 1331571246477
BaseRepresentation
bin1101011001100110111…
…0010110001011110111
3211000012220010002012011
43112121232112023313
512232433324031411
6253431425105051
722426606343302
oct3263156261367
9730186102164
10230212330231
11896a594a064
1238749788187
131892a697960
14b1dc7dbb39
155ec5a40c21
hex3599b962f7

230212330231 has 8 divisors (see below), whose sum is σ = 255918422144. Its totient is φ = 205648731360.

The previous prime is 230212330217. The next prime is 230212330259. The reversal of 230212330231 is 132033212032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230212330231 - 29 = 230212329719 is a prime.

It is a super-2 number, since 2×2302123302312 (a number of 24 digits) 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 (230212330291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285622836 + ... + 285623641.

It is an arithmetic number, because the mean of its divisors is an integer number (31989802768).

Almost surely, 2230212330231 is an apocalyptic number.

230212330231 is a deficient number, since it is larger than the sum of its proper divisors (25706091913).

230212330231 is a wasteful number, since it uses less digits than its factorization.

230212330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571246521.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 230212330231 its reverse (132033212032), we get a palindrome (362245542263).

The spelling of 230212330231 in words is "two hundred thirty billion, two hundred twelve million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 13 31 403 571246477 7426204201 17708640787 230212330231