Search a number
-
+
2331200231 = 19331370679
BaseRepresentation
bin1000101011110011…
…0100101011100111
320000110120020112022
42022330310223213
514233241401411
61023153413355
7111524606063
oct21274645347
96013506468
102331200231
11a969a1268
1255086a25b
132b1c7a529
14181870aa3
15d99d5edb
hex8af34ae7

2331200231 has 8 divisors (see below), whose sum is σ = 2461315200. Its totient is φ = 2201827320.

The previous prime is 2331200219. The next prime is 2331200233. The reversal of 2331200231 is 1320021332.

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 2331200231 - 210 = 2331199207 is a prime.

It is a super-2 number, since 2×23312002312 = 10868989034028906722, 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 (2331200233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179051 + ... + 191628.

It is an arithmetic number, because the mean of its divisors is an integer number (307664400).

Almost surely, 22331200231 is an apocalyptic number.

2331200231 is a deficient number, since it is larger than the sum of its proper divisors (130114969).

2331200231 is a wasteful number, since it uses less digits than its factorization.

2331200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371029.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2331200231 is about 48282.5043985914. The cubic root of 2331200231 is about 1325.9481014899.

Adding to 2331200231 its reverse (1320021332), we get a palindrome (3651221563).

The spelling of 2331200231 in words is "two billion, three hundred thirty-one million, two hundred thousand, two hundred thirty-one".

Divisors: 1 19 331 6289 370679 7042901 122694749 2331200231