Search a number
-
+
2120300131031 is a prime number
BaseRepresentation
bin11110110110101011101…
…111000111001011010111
321111200212100202200211122
4132312223233013023113
5234214333313143111
64302015154154155
7306121004514035
oct36665357071327
97450770680748
102120300131031
1174823a169885
122a2b1828295b
13124c35994064
14748a1a01555
153a2494bacdb
hex1edabbc72d7

2120300131031 has 2 divisors, whose sum is σ = 2120300131032. Its totient is φ = 2120300131030.

The previous prime is 2120300131021. The next prime is 2120300131097. The reversal of 2120300131031 is 1301310030212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120300131031 - 218 = 2120299868887 is a prime.

It is a super-2 number, since 2×21203001310312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120300131021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060150065515 + 1060150065516.

It is an arithmetic number, because the mean of its divisors is an integer number (1060150065516).

Almost surely, 22120300131031 is an apocalyptic number.

2120300131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120300131031 is an equidigital number, since it uses as much as digits as its factorization.

2120300131031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2120300131031 its reverse (1301310030212), we get a palindrome (3421610161243).

The spelling of 2120300131031 in words is "two trillion, one hundred twenty billion, three hundred million, one hundred thirty-one thousand, thirty-one".