Search a number
-
+
31302002133211 is a prime number
BaseRepresentation
bin1110001111000000100001…
…01101111100100011011011
311002211102221100102010011011
413013200100231330203123
513100323000021230321
6150323535151314351
76410331536045635
oct707402055744333
9132742840363134
1031302002133211
119a79117187597
12361665521b9b7
1314609c62799a4
147a304c7c7a55
15394384883ae1
hex1c7810b7c8db

31302002133211 has 2 divisors, whose sum is σ = 31302002133212. Its totient is φ = 31302002133210.

The previous prime is 31302002133203. The next prime is 31302002133223. The reversal of 31302002133211 is 11233120020313.

It is a weak prime.

It is an emirp because it is prime and its reverse (11233120020313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31302002133211 - 23 = 31302002133203 is a prime.

It is not a weakly prime, because it can be changed into another prime (31302002133251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651001066605 + 15651001066606.

It is an arithmetic number, because the mean of its divisors is an integer number (15651001066606).

Almost surely, 231302002133211 is an apocalyptic number.

31302002133211 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302002133211 is an equidigital number, since it uses as much as digits as its factorization.

31302002133211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31302002133211 its reverse (11233120020313), we get a palindrome (42535122153524).

The spelling of 31302002133211 in words is "thirty-one trillion, three hundred two billion, two million, one hundred thirty-three thousand, two hundred eleven".