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131233011230 = 2514923879401
BaseRepresentation
bin111101000111000011…
…0001101011000011110
3110112201212001201001102
41322032012031120132
54122231122324410
6140142042513102
712324035122166
oct1721606153036
9415655051042
10131233011230
1150723682782
1221525805792
13c4b5486789
1464cd14d5a6
1536312202a5
hex1e8e18d61e

131233011230 has 16 divisors (see below), whose sum is σ = 236235518064. Its totient is φ = 52489627200.

The previous prime is 131233011223. The next prime is 131233011251. The reversal of 131233011230 is 32110332131.

It is a super-2 number, since 2×1312330112302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 290471 + ... + 588930.

It is an arithmetic number, because the mean of its divisors is an integer number (14764719879).

Almost surely, 2131233011230 is an apocalyptic number.

131233011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131233011230 is a deficient number, since it is larger than the sum of its proper divisors (105002506834).

131233011230 is a wasteful number, since it uses less digits than its factorization.

131233011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894331.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131233011230 its reverse (32110332131), we get a palindrome (163343343361).

The spelling of 131233011230 in words is "one hundred thirty-one billion, two hundred thirty-three million, eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 14923 29846 74615 149230 879401 1758802 4397005 8794010 13123301123 26246602246 65616505615 131233011230