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232223313131 = 1571479129383
BaseRepresentation
bin1101100001000110010…
…1101000110011101011
3211012102001010121010022
43120101211220303223
512301043132010011
6254403143311055
722530465410225
oct3302145506353
9735361117108
10232223313131
118a5380082a7
123900b14b48b
1318b8b1b9074
14b34d915415
1560923728db
hex3611968ceb

232223313131 has 4 divisors (see below), whose sum is σ = 233702442672. Its totient is φ = 230744183592.

The previous prime is 232223313121. The next prime is 232223313139. The reversal of 232223313131 is 131313322232.

232223313131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232223313131 - 210 = 232223312107 is a prime.

It is a super-2 number, since 2×2322233131312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232223313131.

It is not an unprimeable number, because it can be changed into a prime (232223313139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739564535 + ... + 739564848.

It is an arithmetic number, because the mean of its divisors is an integer number (58425610668).

Almost surely, 2232223313131 is an apocalyptic number.

232223313131 is a deficient number, since it is larger than the sum of its proper divisors (1479129541).

232223313131 is a wasteful number, since it uses less digits than its factorization.

232223313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479129540.

The product of its digits is 3888, while the sum is 26.

Adding to 232223313131 its reverse (131313322232), we get a palindrome (363536635363).

The spelling of 232223313131 in words is "two hundred thirty-two billion, two hundred twenty-three million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 157 1479129383 232223313131