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231313112202 = 2338552185367
BaseRepresentation
bin1101011101101101010…
…1011111110010001010
3211010001121102121011210
43113123111133302022
512242212124042302
6254132550433550
722466104004214
oct3273325376212
9733047377153
10231313112202
118a110248927
12389b63628b6
1318a74760533
14b2a4aa15b4
15603c4cd66c
hex35db55fc8a

231313112202 has 8 divisors (see below), whose sum is σ = 462626224416. Its totient is φ = 77104370732.

The previous prime is 231313112189. The next prime is 231313112227. The reversal of 231313112202 is 202211313132.

It is a sphenic number, since it is the product of 3 distinct primes.

231313112202 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 19276092678 + ... + 19276092689.

It is an arithmetic number, because the mean of its divisors is an integer number (57828278052).

Almost surely, 2231313112202 is an apocalyptic number.

231313112202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231313112202 is a wasteful number, since it uses less digits than its factorization.

231313112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38552185372.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231313112202 its reverse (202211313132), we get a palindrome (433524425334).

The spelling of 231313112202 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 38552185367 77104370734 115656556101 231313112202