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1002222211031 is a prime number
BaseRepresentation
bin11101001010110010001…
…10010100111111010111
310112210220120220102221022
432211121012110333113
5112410022341223111
62044225312111355
7132260000143256
oct16453106247727
93483816812838
101002222211031
11357049345a38
121422a223555b
13736807a5b02
143671762679d
151b10b8be2db
hexe959194fd7

1002222211031 has 2 divisors, whose sum is σ = 1002222211032. Its totient is φ = 1002222211030.

The previous prime is 1002222211013. The next prime is 1002222211051. The reversal of 1002222211031 is 1301122222001.

Together with previous prime (1002222211013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1002222211031 is a prime.

It is a super-2 number, since 2×10022222110312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002222211051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501111105515 + 501111105516.

It is an arithmetic number, because the mean of its divisors is an integer number (501111105516).

Almost surely, 21002222211031 is an apocalyptic number.

1002222211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002222211031 is an equidigital number, since it uses as much as digits as its factorization.

1002222211031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1002222211031 its reverse (1301122222001), we get a palindrome (2303344433032).

The spelling of 1002222211031 in words is "one trillion, two billion, two hundred twenty-two million, two hundred eleven thousand, thirty-one".