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31331014241 is a prime number
BaseRepresentation
bin11101001011011110…
…010101011001100001
32222212111211102122212
4131023132111121201
51003131214423431
622220540211505
72156261140562
oct351336253141
988774742585
1031331014241
11123185a47aa
1260a4839b95
132c5406b8a7
141733120169
15c358e372b
hex74b795661

31331014241 has 2 divisors, whose sum is σ = 31331014242. Its totient is φ = 31331014240.

The previous prime is 31331014213. The next prime is 31331014279. The reversal of 31331014241 is 14241013313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31320150625 + 10863616 = 176975^2 + 3296^2 .

It is a cyclic number.

It is not a de Polignac number, because 31331014241 - 214 = 31330997857 is a prime.

It is not a weakly prime, because it can be changed into another prime (31331014291) 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, 15665507120 + 15665507121.

It is an arithmetic number, because the mean of its divisors is an integer number (15665507121).

Almost surely, 231331014241 is an apocalyptic number.

It is an amenable number.

31331014241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31331014241 is an equidigital number, since it uses as much as digits as its factorization.

31331014241 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 31331014241 its reverse (14241013313), we get a palindrome (45572027554).

The spelling of 31331014241 in words is "thirty-one billion, three hundred thirty-one million, fourteen thousand, two hundred forty-one".