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231312010 = 2591125391
BaseRepresentation
bin11011100100110…
…00101010001010
3121010020212102111
431302120222022
5433203441020
634541452534
75506056016
oct1562305212
9533225374
10231312010
1110962a156
126557114a
1338bcb517
1422a13546
1515491d5a
hexdc98a8a

231312010 has 16 divisors (see below), whose sum is σ = 416835072. Its totient is φ = 92419600.

The previous prime is 231312001. The next prime is 231312019. The reversal of 231312010 is 10213132.

It is an interprime number because it is at equal distance from previous prime (231312001) and next prime (231312019).

It is not an unprimeable number, because it can be changed into a prime (231312019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586 + ... + 21805.

It is an arithmetic number, because the mean of its divisors is an integer number (26052192).

Almost surely, 2231312010 is an apocalyptic number.

231312010 is a deficient number, since it is larger than the sum of its proper divisors (185523062).

231312010 is a wasteful number, since it uses less digits than its factorization.

231312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26309.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231312010 is about 15208.9450653226. The cubic root of 231312010 is about 613.8553720052.

Adding to 231312010 its reverse (10213132), we get a palindrome (241525142).

The spelling of 231312010 in words is "two hundred thirty-one million, three hundred twelve thousand, ten".

Divisors: 1 2 5 10 911 1822 4555 9110 25391 50782 126955 253910 23131201 46262402 115656005 231312010