Search a number
-
+
121031012023241 is a prime number
BaseRepresentation
bin11011100001001110111010…
…011110100111101111001001
3120212112110012022210110200212
4123201032322132213233021
5111330433003034220431
61105224513534410505
734331126206610135
oct3341167236475711
9525473168713625
10121031012023241
1135622a67019181
12116a8755060a35
13526c238647208
1421c5d0a0bc3c5
15ded46379e72b
hex6e13ba7a7bc9

121031012023241 has 2 divisors, whose sum is σ = 121031012023242. Its totient is φ = 121031012023240.

The previous prime is 121031012023213. The next prime is 121031012023379. The reversal of 121031012023241 is 142320210130121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79061617555600 + 41969394467641 = 8891660^2 + 6478379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121031012023241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121031012023741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515506011620 + 60515506011621.

It is an arithmetic number, because the mean of its divisors is an integer number (60515506011621).

Almost surely, 2121031012023241 is an apocalyptic number.

It is an amenable number.

121031012023241 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031012023241 is an equidigital number, since it uses as much as digits as its factorization.

121031012023241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121031012023241 its reverse (142320210130121), we get a palindrome (263351222153362).

The spelling of 121031012023241 in words is "one hundred twenty-one trillion, thirty-one billion, twelve million, twenty-three thousand, two hundred forty-one".