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31023123100097 is a prime number
BaseRepresentation
bin1110000110111001000100…
…01110110111000111000001
311001211210002210022101010212
413003130202032313013001
513031240324003200342
6145551454230003505
76351226624300232
oct703344216670701
9131753083271125
1031023123100097
119980918245327
1235905a51a6595
131440611137c2b
147937547a7089
1538beb1569182
hex1c37223b71c1

31023123100097 has 2 divisors, whose sum is σ = 31023123100098. Its totient is φ = 31023123100096.

The previous prime is 31023123100063. The next prime is 31023123100127. The reversal of 31023123100097 is 79000132132013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31021792017841 + 1331082256 = 5569721^2 + 36484^2 .

It is a cyclic number.

It is not a de Polignac number, because 31023123100097 - 26 = 31023123100033 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023123106097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511561550048 + 15511561550049.

It is an arithmetic number, because the mean of its divisors is an integer number (15511561550049).

Almost surely, 231023123100097 is an apocalyptic number.

It is an amenable number.

31023123100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023123100097 is an equidigital number, since it uses as much as digits as its factorization.

31023123100097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 31023123100097 in words is "thirty-one trillion, twenty-three billion, one hundred twenty-three million, one hundred thousand, ninety-seven".