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2312242213 is a prime number
BaseRepresentation
bin1000100111010010…
…0000010000100101
312222010220002000111
42021310200100211
514213413222323
61021235213021
7111204506641
oct21164402045
95863802014
102312242213
11a87222886
12546447171
132ab070478
1417d137c21
15d7eddc0d
hex89d20425

2312242213 has 2 divisors, whose sum is σ = 2312242214. Its totient is φ = 2312242212.

The previous prime is 2312242211. The next prime is 2312242217. The reversal of 2312242213 is 3122422132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1930547844 + 381694369 = 43938^2 + 19537^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312242213 - 21 = 2312242211 is a prime.

Together with 2312242211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312242211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156121106 + 1156121107.

It is an arithmetic number, because the mean of its divisors is an integer number (1156121107).

Almost surely, 22312242213 is an apocalyptic number.

It is an amenable number.

2312242213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312242213 is an equidigital number, since it uses as much as digits as its factorization.

2312242213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 2312242213 is about 48085.7797378809. The cubic root of 2312242213 is about 1322.3439782207.

Adding to 2312242213 its reverse (3122422132), we get a palindrome (5434664345).

It can be divided in two parts, 2 and 312242213, that multiplied together give a palindrome (624484426).

The spelling of 2312242213 in words is "two billion, three hundred twelve million, two hundred forty-two thousand, two hundred thirteen".