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12311333249 is a prime number
BaseRepresentation
bin10110111011101000…
…00000100110000001
31011202222221112021112
423131310000212001
5200203200130444
65353350333105
7614041414565
oct133564004601
934688845245
1012311333249
115248476986
12247705a195
1312127ccc97
1484b1016a5
154c0c6c69e
hex2ddd00981

12311333249 has 2 divisors, whose sum is σ = 12311333250. Its totient is φ = 12311333248.

The previous prime is 12311333231. The next prime is 12311333263. The reversal of 12311333249 is 94233311321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10249537600 + 2061795649 = 101240^2 + 45407^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311333249 - 28 = 12311332993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311333299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155666624 + 6155666625.

It is an arithmetic number, because the mean of its divisors is an integer number (6155666625).

Almost surely, 212311333249 is an apocalyptic number.

It is an amenable number.

12311333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311333249 is an equidigital number, since it uses as much as digits as its factorization.

12311333249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The spelling of 12311333249 in words is "twelve billion, three hundred eleven million, three hundred thirty-three thousand, two hundred forty-nine".