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31143410101 is a prime number
BaseRepresentation
bin11101000000010010…
…101011100110110101
32222101102211011011101
4131000102223212311
51002240203110401
622150155210101
72151522421666
oct350022534665
988342734141
1031143410101
1112231708a61
126051a46931
132c2423481b
14171624736d
15c241d7101
hex7404ab9b5

31143410101 has 2 divisors, whose sum is σ = 31143410102. Its totient is φ = 31143410100.

The previous prime is 31143410069. The next prime is 31143410167. The reversal of 31143410101 is 10101434113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26433882225 + 4709527876 = 162585^2 + 68626^2 .

It is a cyclic number.

It is not a de Polignac number, because 31143410101 - 25 = 31143410069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31143410801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571705050 + 15571705051.

It is an arithmetic number, because the mean of its divisors is an integer number (15571705051).

Almost surely, 231143410101 is an apocalyptic number.

It is an amenable number.

31143410101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31143410101 is an equidigital number, since it uses as much as digits as its factorization.

31143410101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31143410101 its reverse (10101434113), we get a palindrome (41244844214).

The spelling of 31143410101 in words is "thirty-one billion, one hundred forty-three million, four hundred ten thousand, one hundred one".