Search a number
-
+
31112360011 is a prime number
BaseRepresentation
bin11100111110011100…
…001111000001001011
32222022021101122110001
4130332130033001023
51002204231010021
622143125503431
72150664460645
oct347634170113
988267348401
1031112360011
1112216130627
126043571b77
132c1a9828a5
141712083895
15c21602091
hex73e70f04b

31112360011 has 2 divisors, whose sum is σ = 31112360012. Its totient is φ = 31112360010.

The previous prime is 31112360003. The next prime is 31112360017. The reversal of 31112360011 is 11006321113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31112360011 - 23 = 31112360003 is a prime.

It is not a weakly prime, because it can be changed into another prime (31112360017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556180005 + 15556180006.

It is an arithmetic number, because the mean of its divisors is an integer number (15556180006).

Almost surely, 231112360011 is an apocalyptic number.

31112360011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112360011 is an equidigital number, since it uses as much as digits as its factorization.

31112360011 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 19.

Adding to 31112360011 its reverse (11006321113), we get a palindrome (42118681124).

The spelling of 31112360011 in words is "thirty-one billion, one hundred twelve million, three hundred sixty thousand, eleven".