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231030212242 = 2283408180587
BaseRepresentation
bin1101011100101001111…
…0010100011010010010
3211002022220002210101111
43113022132110122102
512241122213242432
6254044523123534
722456100255044
oct3271236243222
9732286083344
10231030212242
1189a85593a05
12389376735aa
1318a2ac6bbcb
14b27929da94
15602274b347
hex35ca794692

231030212242 has 8 divisors (see below), whose sum is σ = 347769860976. Its totient is φ = 115106925252.

The previous prime is 231030212129. The next prime is 231030212243. The reversal of 231030212242 is 242212030132.

231030212242 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (231030212243) 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, 204089728 + ... + 204090859.

It is an arithmetic number, because the mean of its divisors is an integer number (43471232622).

Almost surely, 2231030212242 is an apocalyptic number.

231030212242 is a deficient number, since it is larger than the sum of its proper divisors (116739648734).

231030212242 is a wasteful number, since it uses less digits than its factorization.

231030212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408180872.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231030212242 its reverse (242212030132), we get a palindrome (473242242374).

The spelling of 231030212242 in words is "two hundred thirty-one billion, thirty million, two hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 283 566 408180587 816361174 115515106121 231030212242