Search a number
-
+
1333201231 is a prime number
BaseRepresentation
bin100111101110111…
…0000100101001111
310102220122122021101
41033131300211033
510212244414411
6340143043531
745016011025
oct11735604517
93386578241
101333201231
116246148aa
123125a05a7
1318329108b
14c90c4715
157c09c8c1
hex4f77094f

1333201231 has 2 divisors, whose sum is σ = 1333201232. Its totient is φ = 1333201230.

The previous prime is 1333201213. The next prime is 1333201327. The reversal of 1333201231 is 1321023331.

Together with previous prime (1333201213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1333201231 - 217 = 1333070159 is a prime.

It is a super-2 number, since 2×13332012312 = 3554851044679830722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1333201199 and 1333201208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333201211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666600615 + 666600616.

It is an arithmetic number, because the mean of its divisors is an integer number (666600616).

Almost surely, 21333201231 is an apocalyptic number.

1333201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333201231 is an equidigital number, since it uses as much as digits as its factorization.

1333201231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1333201231 is about 36513.0282365076. The cubic root of 1333201231 is about 1100.6060657398.

Adding to 1333201231 its reverse (1321023331), we get a palindrome (2654224562).

The spelling of 1333201231 in words is "one billion, three hundred thirty-three million, two hundred one thousand, two hundred thirty-one".