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2312144213 is a prime number
BaseRepresentation
bin1000100111010000…
…1000010101010101
312222010201002120212
42021310020111111
514213402103323
61021233135205
7111203621141
oct21164102525
95863632525
102312144213
11a87166195
125463ba505
132ab037992
1417d110221
15d7ebeb78
hex89d08555

2312144213 has 2 divisors, whose sum is σ = 2312144214. Its totient is φ = 2312144212.

The previous prime is 2312144129. The next prime is 2312144221. The reversal of 2312144213 is 3124412132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2182571524 + 129572689 = 46718^2 + 11383^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312144213 - 222 = 2307949909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312144293) 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, 1156072106 + 1156072107.

It is an arithmetic number, because the mean of its divisors is an integer number (1156072107).

Almost surely, 22312144213 is an apocalyptic number.

It is an amenable number.

2312144213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312144213 is an equidigital number, since it uses as much as digits as its factorization.

2312144213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 2312144213 is about 48084.7607148044. The cubic root of 2312144213 is about 1322.3252962764.

Adding to 2312144213 its reverse (3124412132), we get a palindrome (5436556345).

The spelling of 2312144213 in words is "two billion, three hundred twelve million, one hundred forty-four thousand, two hundred thirteen".