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231023113302 = 2389432627553
BaseRepresentation
bin1101011100101000001…
…1001111010001010110
3211002022101202010110210
43113022003033101112
512241113404111202
6254044111030250
722455653030322
oct3271203172126
9732271663423
10231023113302
1189a81585413
123893520b386
1318a29654957
14b278372982
156021ce7c6c
hex35ca0cf456

231023113302 has 16 divisors (see below), whose sum is σ = 467237758320. Its totient is φ = 76142449152.

The previous prime is 231023113273. The next prime is 231023113303. The reversal of 231023113302 is 203311320132.

231023113302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231023113303) 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 7 ways as a sum of consecutive naturals, for example, 216313243 + ... + 216314310.

It is an arithmetic number, because the mean of its divisors is an integer number (29202359895).

Almost surely, 2231023113302 is an apocalyptic number.

231023113302 is an abundant number, since it is smaller than the sum of its proper divisors (236214645018).

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

231023113302 is a wasteful number, since it uses less digits than its factorization.

231023113302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432627647.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231023113302 its reverse (203311320132), we get a palindrome (434334433434).

The spelling of 231023113302 in words is "two hundred thirty-one billion, twenty-three million, one hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 89 178 267 534 432627553 865255106 1297882659 2595765318 38503852217 77007704434 115511556651 231023113302