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120020000231 is a prime number
BaseRepresentation
bin110111111000110111…
…1111101110111100111
3102110210101210201122202
41233301233331313213
53431300110001411
6131045245045115
711446131112055
oct1576157756747
9373711721582
10120020000231
114699a18563a
121b31655679b
13b41939a921
145b47c711d5
1531c6b0683b
hex1bf1bfdde7

120020000231 has 2 divisors, whose sum is σ = 120020000232. Its totient is φ = 120020000230.

The previous prime is 120020000209. The next prime is 120020000251. The reversal of 120020000231 is 132000020021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120020000231 - 26 = 120020000167 is a prime.

It is a super-2 number, since 2×1200200002312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020000251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010000115 + 60010000116.

It is an arithmetic number, because the mean of its divisors is an integer number (60010000116).

Almost surely, 2120020000231 is an apocalyptic number.

120020000231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020000231 is an equidigital number, since it uses as much as digits as its factorization.

120020000231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 120020000231 its reverse (132000020021), we get a palindrome (252020020252).

The spelling of 120020000231 in words is "one hundred twenty billion, twenty million, two hundred thirty-one", and thus it is an aban number.