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12311033231010 = 235410367774367
BaseRepresentation
bin1011001100100110001011…
…0000110011011010100010
31121120220221001222100011010
42303021202300303122202
53103200444001343020
642103335515401350
72410304610604203
oct263114260633242
947526831870133
1012311033231010
113a17097346938
121469b64153256
136b3c052ac647
14307c001a15aa
15165389034de0
hexb3262c336a2

12311033231010 has 16 divisors (see below), whose sum is σ = 29546479754496. Its totient is φ = 3282942194928.

The previous prime is 12311033230939. The next prime is 12311033231011. The reversal of 12311033231010 is 1013233011321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12311033231011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205183887154 + ... + 205183887213.

It is an arithmetic number, because the mean of its divisors is an integer number (1846654984656).

Almost surely, 212311033231010 is an apocalyptic number.

12311033231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311033231010 is an abundant number, since it is smaller than the sum of its proper divisors (17235446523486).

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

12311033231010 is a wasteful number, since it uses less digits than its factorization.

12311033231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410367774377.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12311033231010 its reverse (1013233011321), we get a palindrome (13324266242331).

The spelling of 12311033231010 in words is "twelve trillion, three hundred eleven billion, thirty-three million, two hundred thirty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 410367774367 820735548734 1231103323101 2051838871835 2462206646202 4103677743670 6155516615505 12311033231010