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1031222230331 is a prime number
BaseRepresentation
bin11110000000110011010…
…00100111110100111011
310122120202122120001200012
433000121220213310323
5113343420342332311
62105423103132135
7134334435221426
oct17003150476473
93576678501605
101031222230331
11368380079737
12147a362a404b
1376322939747
1437ca8d2a9bd
151bc5781c78b
hexf019a27d3b

1031222230331 has 2 divisors, whose sum is σ = 1031222230332. Its totient is φ = 1031222230330.

The previous prime is 1031222230307. The next prime is 1031222230373. The reversal of 1031222230331 is 1330322221301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031222230331 - 214 = 1031222213947 is a prime.

It is a super-2 number, since 2×10312222303312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1031222230297 and 1031222230306.

It is not a weakly prime, because it can be changed into another prime (1031222239331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515611115165 + 515611115166.

It is an arithmetic number, because the mean of its divisors is an integer number (515611115166).

Almost surely, 21031222230331 is an apocalyptic number.

1031222230331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031222230331 is an equidigital number, since it uses as much as digits as its factorization.

1031222230331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1031222230331 its reverse (1330322221301), we get a palindrome (2361544451632).

The spelling of 1031222230331 in words is "one trillion, thirty-one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred thirty-one".