Search a number
-
+
200220231231 = 32146807151537
BaseRepresentation
bin1011101001111000001…
…1100100011000111111
3201010210200200120221200
42322132003210120333
511240022334344411
6231551354230543
720315433612366
oct2723603443077
9633720616850
10200220231231
1177a05112189
1232979425453
1315b5ab3ac07
14999544c7dd
15531c977e56
hex2e9e0e463f

200220231231 has 12 divisors (see below), whose sum is σ = 289210879152. Its totient is φ = 133478364096.

The previous prime is 200220231217. The next prime is 200220231241. The reversal of 200220231231 is 132132022002.

200220231231 is a `hidden beast` number, since 200 + 2 + 2 + 0 + 231 + 231 = 666.

It is not a de Polignac number, because 200220231231 - 25 = 200220231199 is a prime.

It is a super-2 number, since 2×2002202312312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220231241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245495 + ... + 1397031.

It is an arithmetic number, because the mean of its divisors is an integer number (24100906596).

Almost surely, 2200220231231 is an apocalyptic number.

200220231231 is a deficient number, since it is larger than the sum of its proper divisors (88990647921).

200220231231 is a wasteful number, since it uses less digits than its factorization.

200220231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298350 (or 298347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 200220231231 its reverse (132132022002), we get a palindrome (332352253233).

The spelling of 200220231231 in words is "two hundred billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 3 9 146807 151537 440421 454611 1321263 1363833 22246692359 66740077077 200220231231