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1031222310223 = 7147317472889
BaseRepresentation
bin11110000000110011010…
…00111011010101001111
310122120202122201010021011
433000121220323111033
5113343420402411343
62105423104550051
7134334436003360
oct17003150732517
93576678633234
101031222310223
11368380123766
12147a36322327
1376322966c11
1437ca8d4bb67
151bc5783629d
hexf019a3b54f

1031222310223 has 4 divisors (see below), whose sum is σ = 1178539783120. Its totient is φ = 883904837328.

The previous prime is 1031222310221. The next prime is 1031222310233. The reversal of 1031222310223 is 3220132221301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031222310223 - 21 = 1031222310221 is a prime.

It is a super-2 number, since 2×10312223102232 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031222310194 and 1031222310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031222310221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73658736438 + ... + 73658736451.

It is an arithmetic number, because the mean of its divisors is an integer number (294634945780).

Almost surely, 21031222310223 is an apocalyptic number.

1031222310223 is a deficient number, since it is larger than the sum of its proper divisors (147317472897).

1031222310223 is an equidigital number, since it uses as much as digits as its factorization.

1031222310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147317472896.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1031222310223 its reverse (3220132221301), we get a palindrome (4251354531524).

The spelling of 1031222310223 in words is "one trillion, thirty-one billion, two hundred twenty-two million, three hundred ten thousand, two hundred twenty-three".

Divisors: 1 7 147317472889 1031222310223