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131313422232 = 23323166757593
BaseRepresentation
bin111101001001011100…
…0111100111110011000
3110112221110101000012200
41322102320330332120
54122412214002412
6140154034210200
712326032446456
oct1722270747630
9415843330180
10131313422232
1150765004753
1221548723960
13c4c902bc55
1464d9ac19d6
1536383059dc
hex1e92e3cf98

131313422232 has 48 divisors (see below), whose sum is σ = 355657924440. Its totient is φ = 43768998528.

The previous prime is 131313422213. The next prime is 131313422239. The reversal of 131313422232 is 232224313131.

131313422232 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 3 + 422 + 232 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131313422196 and 131313422205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313422239) 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, 2251228 + ... + 2308820.

Almost surely, 2131313422232 is an apocalyptic number.

131313422232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131313422232 is an abundant number, since it is smaller than the sum of its proper divisors (224344502208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131313422232 is a wasteful number, since it uses less digits than its factorization.

131313422232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89272 (or 89265 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 131313422232 its reverse (232224313131), we get a palindrome (363537735363).

The spelling of 131313422232 in words is "one hundred thirty-one billion, three hundred thirteen million, four hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 31667 57593 63334 95001 115186 126668 172779 190002 230372 253336 285003 345558 380004 460744 518337 570006 691116 760008 1036674 1140012 1382232 2073348 2280024 4146696 1823797531 3647595062 5471392593 7295190124 10942785186 14590380248 16414177779 21885570372 32828355558 43771140744 65656711116 131313422232