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2311244357 is a prime number
BaseRepresentation
bin1000100111000010…
…1100101001000101
312222002000101012212
42021300230221011
514213134304412
61021201553205
7111163152512
oct21160545105
95862011185
102311244357
11a86701104
12546045805
132aaab1216
1417cd58309
15d7d93222
hex89c2ca45

2311244357 has 2 divisors, whose sum is σ = 2311244358. Its totient is φ = 2311244356.

The previous prime is 2311244321. The next prime is 2311244359. The reversal of 2311244357 is 7534421132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214243716 + 1097000641 = 34846^2 + 33121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311244357 - 218 = 2310982213 is a prime.

Together with 2311244359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311244359) 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, 1155622178 + 1155622179.

It is an arithmetic number, because the mean of its divisors is an integer number (1155622179).

Almost surely, 22311244357 is an apocalyptic number.

It is an amenable number.

2311244357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311244357 is an equidigital number, since it uses as much as digits as its factorization.

2311244357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 2311244357 is about 48075.4028272255. The cubic root of 2311244357 is about 1322.1537301686.

Adding to 2311244357 its reverse (7534421132), we get a palindrome (9845665489).

The spelling of 2311244357 in words is "two billion, three hundred eleven million, two hundred forty-four thousand, three hundred fifty-seven".