Search a number
-
+
2120120120231 is a prime number
BaseRepresentation
bin11110110110100001000…
…000011011001110100111
321111200101211001012102222
4132312201000123032213
5234214001222321411
64301545244022555
7306113360452151
oct36664100331647
97450354035388
102120120120231
1174815759a023
122a2a87b31a5b
13124c075b82a9
1474885b43ad1
153a2387ae4db
hex1eda101b3a7

2120120120231 has 2 divisors, whose sum is σ = 2120120120232. Its totient is φ = 2120120120230.

The previous prime is 2120120120227. The next prime is 2120120120257. The reversal of 2120120120231 is 1320210210212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120120120231 - 22 = 2120120120227 is a prime.

It is a super-2 number, since 2×21201201202312 (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120120180231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060060060115 + 1060060060116.

It is an arithmetic number, because the mean of its divisors is an integer number (1060060060116).

Almost surely, 22120120120231 is an apocalyptic number.

2120120120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120120120231 is an equidigital number, since it uses as much as digits as its factorization.

2120120120231 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 17.

Adding to 2120120120231 its reverse (1320210210212), we get a palindrome (3440330330443).

The spelling of 2120120120231 in words is "two trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred thirty-one".