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1311101069 is a prime number
BaseRepresentation
bin100111000100101…
…1101000010001101
310101101001211112212
41032021131002031
510141120213234
6334033240205
744330114045
oct11611350215
93341054485
101311101069
1161309a703
12307103065
1317b823a65
14c61b0725
157a1845ce
hex4e25d08d

1311101069 has 2 divisors, whose sum is σ = 1311101070. Its totient is φ = 1311101068.

The previous prime is 1311101017. The next prime is 1311101093. The reversal of 1311101069 is 9601011131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093095844 + 218005225 = 33062^2 + 14765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1311101069 is a prime.

It is a super-2 number, since 2×13111010692 = 3437972026265885522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311101369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655550534 + 655550535.

It is an arithmetic number, because the mean of its divisors is an integer number (655550535).

Almost surely, 21311101069 is an apocalyptic number.

It is an amenable number.

1311101069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311101069 is an equidigital number, since it uses as much as digits as its factorization.

1311101069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1311101069 is about 36209.1296360462. The cubic root of 1311101069 is about 1094.4906533479.

The spelling of 1311101069 in words is "one billion, three hundred eleven million, one hundred one thousand, sixty-nine".