Search a number
-
+
232211231231 = 72191039240059
BaseRepresentation
bin1101100001000011011…
…1100011000111111111
3211012101012101202212112
43120100313203013333
512301032033344411
6254402032324235
722530260620100
oct3302067430777
9735335352775
10232211231231
118a531205a61
12390070a367b
1318b88848a05
14b34c08c3a7
156091287b8b
hex3610de31ff

232211231231 has 24 divisors (see below), whose sum is σ = 284615136000. Its totient is φ = 188380234224.

The previous prime is 232211231227. The next prime is 232211231237. The reversal of 232211231231 is 132132112232.

It is not a de Polignac number, because 232211231231 - 22 = 232211231227 is a prime.

It is a super-2 number, since 2×2322112312312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232211231197 and 232211231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232211231237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847280 + ... + 1087338.

It is an arithmetic number, because the mean of its divisors is an integer number (11858964000).

Almost surely, 2232211231231 is an apocalyptic number.

232211231231 is a deficient number, since it is larger than the sum of its proper divisors (52403904769).

232211231231 is a wasteful number, since it uses less digits than its factorization.

232211231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241131 (or 241124 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 232211231231 its reverse (132132112232), we get a palindrome (364343343463).

The spelling of 232211231231 in words is "two hundred thirty-two billion, two hundred eleven million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 7 19 49 133 931 1039 7273 19741 50911 138187 240059 967309 1680413 4561121 11762891 31927847 223494929 249421301 1745949107 4739004719 12221643749 33173033033 232211231231