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31302200297 is a prime number
BaseRepresentation
bin11101001001110000…
…011010101111101001
32222210111121112100202
4131021300122233221
51003101330402142
622214030441545
72155461212114
oct351160325751
988714545322
1031302200297
1112303304425
1260970632b5
132c4b0c0714
14172d37d57b
15c33101032
hex749c1abe9

31302200297 has 2 divisors, whose sum is σ = 31302200298. Its totient is φ = 31302200296.

The previous prime is 31302200291. The next prime is 31302200323. The reversal of 31302200297 is 79200220313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28525858816 + 2776341481 = 168896^2 + 52691^2 .

It is a cyclic number.

It is not a de Polignac number, because 31302200297 - 228 = 31033764841 is a prime.

It is not a weakly prime, because it can be changed into another prime (31302200291) 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 as a sum of consecutive naturals, namely, 15651100148 + 15651100149.

It is an arithmetic number, because the mean of its divisors is an integer number (15651100149).

Almost surely, 231302200297 is an apocalyptic number.

It is an amenable number.

31302200297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302200297 is an equidigital number, since it uses as much as digits as its factorization.

31302200297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 31302200297 in words is "thirty-one billion, three hundred two million, two hundred thousand, two hundred ninety-seven".