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10214231081 is a prime number
BaseRepresentation
bin10011000001101000…
…01100110000101001
3222100211212200220212
421200310030300221
5131404320343311
64405314230505
7511055350235
oct114064146051
928324780825
1010214231081
114371737a9a
121b90885435
13c6a1b8122
146cc7ab5c5
153ebac8c8b
hex260d0cc29

10214231081 has 2 divisors, whose sum is σ = 10214231082. Its totient is φ = 10214231080.

The previous prime is 10214230993. The next prime is 10214231087. The reversal of 10214231081 is 18013241201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6676360681 + 3537870400 = 81709^2 + 59480^2 .

It is a cyclic number.

It is not a de Polignac number, because 10214231081 - 218 = 10213968937 is a prime.

It is a super-2 number, since 2×102142310812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10214231087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5107115540 + 5107115541.

It is an arithmetic number, because the mean of its divisors is an integer number (5107115541).

Almost surely, 210214231081 is an apocalyptic number.

It is an amenable number.

10214231081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10214231081 is an equidigital number, since it uses as much as digits as its factorization.

10214231081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 10214231081 its reverse (18013241201), we get a palindrome (28227472282).

The spelling of 10214231081 in words is "ten billion, two hundred fourteen million, two hundred thirty-one thousand, eighty-one".