Search a number
-
+
131320230332 = 2253269616307
BaseRepresentation
bin111101001001101001…
…0111011000110111100
3110112221221011220011112
41322103102323012330
54122420434332312
6140154440141152
712326144353244
oct1722322730674
9415857156145
10131320230332
1150768934785
122154aa677b8
13c4ca573a05
1464da974b24
153638becd22
hex1e934bb1bc

131320230332 has 12 divisors (see below), whose sum is σ = 229815090120. Its totient is φ = 65658776016.

The previous prime is 131320230329. The next prime is 131320230337. The reversal of 131320230332 is 233032023131.

It is a super-4 number, since 4×1313202303324 (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131320230298 and 131320230307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320230337) 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, 95078 + ... + 521229.

It is an arithmetic number, because the mean of its divisors is an integer number (19151257510).

Almost surely, 2131320230332 is an apocalyptic number.

It is an amenable number.

131320230332 is a deficient number, since it is larger than the sum of its proper divisors (98494859788).

131320230332 is a wasteful number, since it uses less digits than its factorization.

131320230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669580 (or 669578 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 131320230332 its reverse (233032023131), we get a palindrome (364352253463).

The spelling of 131320230332 in words is "one hundred thirty-one billion, three hundred twenty million, two hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 4 53269 106538 213076 616307 1232614 2465228 32830057583 65660115166 131320230332