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1310917253 is a prime number
BaseRepresentation
bin100111000100011…
…0000001010000101
310101100201111101212
41032020300022011
510141043323003
6334025301205
744325420122
oct11610601205
93340644355
101310917253
11612a84598
12307034805
1317b78b1a9
14c6163749
157a149dd8
hex4e230285

1310917253 has 2 divisors, whose sum is σ = 1310917254. Its totient is φ = 1310917252.

The previous prime is 1310917199. The next prime is 1310917261. The reversal of 1310917253 is 3527190131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810142369 + 500774884 = 28463^2 + 22378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310917253 - 212 = 1310913157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310910253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655458626 + 655458627.

It is an arithmetic number, because the mean of its divisors is an integer number (655458627).

Almost surely, 21310917253 is an apocalyptic number.

It is an amenable number.

1310917253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310917253 is an equidigital number, since it uses as much as digits as its factorization.

1310917253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1310917253 is about 36206.5912921943. The cubic root of 1310917253 is about 1094.4395018637.

The spelling of 1310917253 in words is "one billion, three hundred ten million, nine hundred seventeen thousand, two hundred fifty-three".