Search a number
-
+
211112033131 is a prime number
BaseRepresentation
bin1100010010011101000…
…0011111101101101011
3202011220202112110022001
43010213100133231223
511424324140030011
6240552235311431
721152360450026
oct3044720375553
9664822473261
10211112033131
118159426a15a
1234ab8bab577
1316ba55113cc
14a309bd61bd
155758c937c1
hex312741fb6b

211112033131 has 2 divisors, whose sum is σ = 211112033132. Its totient is φ = 211112033130.

The previous prime is 211112033129. The next prime is 211112033159. The reversal of 211112033131 is 131330211112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211112033131 - 21 = 211112033129 is a prime.

It is a super-2 number, since 2×2111120331312 (a number of 23 digits) contains 22 as substring.

Together with 211112033129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 211112033099 and 211112033108.

It is not a weakly prime, because it can be changed into another prime (211112033731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556016565 + 105556016566.

It is an arithmetic number, because the mean of its divisors is an integer number (105556016566).

Almost surely, 2211112033131 is an apocalyptic number.

211112033131 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112033131 is an equidigital number, since it uses as much as digits as its factorization.

211112033131 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 211112033131 its reverse (131330211112), we get a palindrome (342442244243).

The spelling of 211112033131 in words is "two hundred eleven billion, one hundred twelve million, thirty-three thousand, one hundred thirty-one".