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1312013177 is a prime number
BaseRepresentation
bin100111000110011…
…1011101101111001
310101102210011201122
41032030323231321
510141333410202
6334104555025
744340633206
oct11614735571
93342704648
101312013177
11613662a12
12307482a75
1317ba82c77
14c636acad
157a2b49a2
hex4e33bb79

1312013177 has 2 divisors, whose sum is σ = 1312013178. Its totient is φ = 1312013176.

The previous prime is 1312013113. The next prime is 1312013191. The reversal of 1312013177 is 7713102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738698041 + 573315136 = 27179^2 + 23944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312013177 - 26 = 1312013113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312003177) 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, 656006588 + 656006589.

It is an arithmetic number, because the mean of its divisors is an integer number (656006589).

Almost surely, 21312013177 is an apocalyptic number.

It is an amenable number.

1312013177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312013177 is an equidigital number, since it uses as much as digits as its factorization.

1312013177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1312013177 is about 36221.7224466203. The cubic root of 1312013177 is about 1094.7443999369.

The spelling of 1312013177 in words is "one billion, three hundred twelve million, thirteen thousand, one hundred seventy-seven".