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231322323223202 = 26712541137651383
BaseRepresentation
bin110100100110001011101100…
…111001111000001010100010
31010100001012100102202111122012
4310212023230321320022202
5220304441104221120302
62135552001440312522
766503325545656001
oct6446135471701242
91110035312674565
10231322323223202
1167785278998592
1221b3b996012742
139c0c7a85b6873
14411a0bb1d6c38
151bb2357966a52
hexd262ece782a2

231322323223202 has 16 divisors (see below), whose sum is σ = 352190426258112. Its totient is φ = 113925789798480.

The previous prime is 231322323223183. The next prime is 231322323223217. The reversal of 231322323223202 is 202322323223132.

It is a super-2 number, since 2×2313223232232022 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67145198 + ... + 70506185.

It is an arithmetic number, because the mean of its divisors is an integer number (22011901641132).

Almost surely, 2231322323223202 is an apocalyptic number.

231322323223202 is a deficient number, since it is larger than the sum of its proper divisors (120868103034910).

231322323223202 is a wasteful number, since it uses less digits than its factorization.

231322323223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137663993.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 231322323223202 its reverse (202322323223132), we get a palindrome (433644646446334).

The spelling of 231322323223202 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred two".

Divisors: 1 2 67 134 12541 25082 840247 1680494 137651383 275302766 9222642661 18445285322 1726285994203 3452571988406 115661161611601 231322323223202