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1311500153 is a prime number
BaseRepresentation
bin100111000101011…
…1110011101111001
310101101211002222202
41032022332131321
510141221001103
6334045555545
744333365415
oct11612763571
93341732882
101311500153
11613342527
12307275bb5
1317b9335c2
14c6275d45
157a212988
hex4e2be779

1311500153 has 2 divisors, whose sum is σ = 1311500154. Its totient is φ = 1311500152.

The previous prime is 1311500149. The next prime is 1311500159. The reversal of 1311500153 is 3510051131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287948544 + 23551609 = 35888^2 + 4853^2 .

It is an emirp because it is prime and its reverse (3510051131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311500153 - 22 = 1311500149 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311500159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655750076 + 655750077.

It is an arithmetic number, because the mean of its divisors is an integer number (655750077).

Almost surely, 21311500153 is an apocalyptic number.

It is an amenable number.

1311500153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311500153 is an equidigital number, since it uses as much as digits as its factorization.

1311500153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1311500153 is about 36214.6400368691. The cubic root of 1311500153 is about 1094.6016921807.

Adding to 1311500153 its reverse (3510051131), we get a palindrome (4821551284).

The spelling of 1311500153 in words is "one billion, three hundred eleven million, five hundred thousand, one hundred fifty-three".