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31022211133297 is a prime number
BaseRepresentation
bin1110000110110111010111…
…10111111110111101110001
311001211200202020021122212201
413003123223313332331301
513031231442022231142
6145551223531223201
76351165211561006
oct703335367767561
9131750666248781
1031022211133297
11998049a48a15a
12359038b8a7b01
1314404c72116c7
147936a96138ad
1538be5b476ab7
hex1c36ebdfef71

31022211133297 has 2 divisors, whose sum is σ = 31022211133298. Its totient is φ = 31022211133296.

The previous prime is 31022211133279. The next prime is 31022211133321. The reversal of 31022211133297 is 79233111222013.

Together with previous prime (31022211133279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29790375299136 + 1231835834161 = 5458056^2 + 1109881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31022211133297 is a prime.

It is not a weakly prime, because it can be changed into another prime (31022211173297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511105566648 + 15511105566649.

It is an arithmetic number, because the mean of its divisors is an integer number (15511105566649).

Almost surely, 231022211133297 is an apocalyptic number.

It is an amenable number.

31022211133297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31022211133297 is an equidigital number, since it uses as much as digits as its factorization.

31022211133297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 31022211133297 in words is "thirty-one trillion, twenty-two billion, two hundred eleven million, one hundred thirty-three thousand, two hundred ninety-seven".