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1214444311 is a prime number
BaseRepresentation
bin100100001100010…
…1111001100010111
310010122012011101221
41020120233030113
54441344204221
6320301431211
742044414653
oct11030571427
93118164357
101214444311
11573581a93
1229a86b507
131647b0c02
14b740da63
1571940541
hex4862f317

1214444311 has 2 divisors, whose sum is σ = 1214444312. Its totient is φ = 1214444310.

The previous prime is 1214444291. The next prime is 1214444389. The reversal of 1214444311 is 1134444121.

It is a weak prime.

It is an emirp because it is prime and its reverse (1134444121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214444311 - 217 = 1214313239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214444111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607222155 + 607222156.

It is an arithmetic number, because the mean of its divisors is an integer number (607222156).

Almost surely, 21214444311 is an apocalyptic number.

1214444311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214444311 is an equidigital number, since it uses as much as digits as its factorization.

1214444311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

The square root of 1214444311 is about 34848.8781885443. The cubic root of 1214444311 is about 1066.9052894634.

Adding to 1214444311 its reverse (1134444121), we get a palindrome (2348888432).

The spelling of 1214444311 in words is "one billion, two hundred fourteen million, four hundred forty-four thousand, three hundred eleven".