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10231012081 is a prime number
BaseRepresentation
bin10011000011101000…
…01101101011110001
3222102000110021010101
421201310031223301
5131423114341311
64411114032401
7511351111363
oct114164155361
928360407111
1010231012081
114380159894
121b96418701
13c70812304
146d0ad8d33
153ed2e0ec1
hex261d0daf1

10231012081 has 2 divisors, whose sum is σ = 10231012082. Its totient is φ = 10231012080.

The previous prime is 10231012073. The next prime is 10231012147. The reversal of 10231012081 is 18021013201.

10231012081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9823981456 + 407030625 = 99116^2 + 20175^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231012081 - 23 = 10231012073 is a prime.

It is a super-2 number, since 2×102310120812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10231012021) 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, 5115506040 + 5115506041.

It is an arithmetic number, because the mean of its divisors is an integer number (5115506041).

Almost surely, 210231012081 is an apocalyptic number.

It is an amenable number.

10231012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231012081 is an equidigital number, since it uses as much as digits as its factorization.

10231012081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10231012081 its reverse (18021013201), we get a palindrome (28252025282).

The spelling of 10231012081 in words is "ten billion, two hundred thirty-one million, twelve thousand, eighty-one".