Search a number
-
+
31300323337 is a prime number
BaseRepresentation
bin11101001001101001…
…010000100000001001
32222210101002011122201
4131021221100200021
51003100340321322
622213522320201
72155436233663
oct351151204011
988711064581
1031300323337
1112302242218
1260964b9061
132c4a8b42aa
14172d011533
15c32d7ed27
hex749a50809

31300323337 has 2 divisors, whose sum is σ = 31300323338. Its totient is φ = 31300323336.

The previous prime is 31300323287. The next prime is 31300323389. The reversal of 31300323337 is 73332300313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31214408976 + 85914361 = 176676^2 + 9269^2 .

It is an emirp because it is prime and its reverse (73332300313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31300323337 - 215 = 31300290569 is a prime.

It is not a weakly prime, because it can be changed into another prime (31300323137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650161668 + 15650161669.

It is an arithmetic number, because the mean of its divisors is an integer number (15650161669).

Almost surely, 231300323337 is an apocalyptic number.

It is an amenable number.

31300323337 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300323337 is an equidigital number, since it uses as much as digits as its factorization.

31300323337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 28.

The spelling of 31300323337 in words is "thirty-one billion, three hundred million, three hundred twenty-three thousand, three hundred thirty-seven".