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31142323100201 is a prime number
BaseRepresentation
bin1110001010010111000110…
…00110110001101000101001
311002021011210001010210002112
413011023203012301220221
513040213434203201301
6150122330303412105
76362646540466355
oct705134306615051
9132234701123075
1031142323100201
119a17426569705
1235ab710bb4035
13144b92966c481
14799421784465
1539013b1979bb
hex1c52e31b1a29

31142323100201 has 2 divisors, whose sum is σ = 31142323100202. Its totient is φ = 31142323100200.

The previous prime is 31142323100197. The next prime is 31142323100209. The reversal of 31142323100201 is 10200132324113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30352650936976 + 789672163225 = 5509324^2 + 888635^2 .

It is a cyclic number.

It is not a de Polignac number, because 31142323100201 - 22 = 31142323100197 is a prime.

It is not a weakly prime, because it can be changed into another prime (31142323100209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571161550100 + 15571161550101.

It is an arithmetic number, because the mean of its divisors is an integer number (15571161550101).

Almost surely, 231142323100201 is an apocalyptic number.

It is an amenable number.

31142323100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

31142323100201 is an equidigital number, since it uses as much as digits as its factorization.

31142323100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31142323100201 its reverse (10200132324113), we get a palindrome (41342455424314).

The spelling of 31142323100201 in words is "thirty-one trillion, one hundred forty-two billion, three hundred twenty-three million, one hundred thousand, two hundred one".