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31233120103233 = 324353497971413
BaseRepresentation
bin1110001101000000001110…
…00001110110101101000001
311002120212010211201102211200
413012200013001312231001
513043210412221300413
6150232144114331413
76402342555335046
oct706400701665501
9132525124642750
1031233120103233
119a5198a063994
123605230889b69
131457369635479
1479d99646b1cd
153926a24a8573
hex1c6807076b41

31233120103233 has 12 divisors (see below), whose sum is σ = 45114616103700. Its totient is φ = 20822029628256.

The previous prime is 31233120103183. The next prime is 31233120103267. The reversal of 31233120103233 is 33230102133213.

31233120103233 is a `hidden beast` number, since 3 + 1 + 2 + 331 + 2 + 0 + 1 + 0 + 323 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9786060679824 + 21447059423409 = 3128268^2 + 4631097^2 .

It is not a de Polignac number, because 31233120103233 - 213 = 31233120095041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31233120103197 and 31233120103206.

It is not an unprimeable number, because it can be changed into a prime (31233120103033) 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 11 ways as a sum of consecutive naturals, for example, 67566 + ... + 7903847.

It is an arithmetic number, because the mean of its divisors is an integer number (3759551341975).

Almost surely, 231233120103233 is an apocalyptic number.

It is an amenable number.

31233120103233 is a deficient number, since it is larger than the sum of its proper divisors (13881496000467).

31233120103233 is a wasteful number, since it uses less digits than its factorization.

31233120103233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406768 (or 8406765 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31233120103233 its reverse (33230102133213), we get a palindrome (64463222236446).

The spelling of 31233120103233 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred twenty million, one hundred three thousand, two hundred thirty-three".

Divisors: 1 3 9 435349 1306047 3918141 7971413 23914239 71742717 3470346678137 10411040034411 31233120103233