Search a number
-
+
30121131033349 is a prime number
BaseRepresentation
bin1101101100101000111110…
…10100001100001100000101
310221122112220102002211001121
412312110133110030030011
512422001034021031344
6144021242341353541
76226115464236016
oct666243724141405
9127575812084047
1030121131033349
119663333237284
123465815a088b1
1313a6544a51705
14761c289cd00d
153737be1e5684
hex1b651f50c305

30121131033349 has 2 divisors, whose sum is σ = 30121131033350. Its totient is φ = 30121131033348.

The previous prime is 30121131033317. The next prime is 30121131033467. The reversal of 30121131033349 is 94333013112103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29745919656324 + 375211377025 = 5453982^2 + 612545^2 .

It is a cyclic number.

It is not a de Polignac number, because 30121131033349 - 25 = 30121131033317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30121131033649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060565516674 + 15060565516675.

It is an arithmetic number, because the mean of its divisors is an integer number (15060565516675).

Almost surely, 230121131033349 is an apocalyptic number.

It is an amenable number.

30121131033349 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121131033349 is an equidigital number, since it uses as much as digits as its factorization.

30121131033349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 30121131033349 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty-one million, thirty-three thousand, three hundred forty-nine".