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1310411257 is a prime number
BaseRepresentation
bin100111000011011…
…0100100111111001
310101022202210022021
41032012310213321
510140431130012
6334010354441
744321211661
oct11606644771
93338683267
101310411257
11612769411
12306a2ba21
1317b641a9c
14c60711a1
157a09a007
hex4e1b49f9

1310411257 has 2 divisors, whose sum is σ = 1310411258. Its totient is φ = 1310411256.

The previous prime is 1310411243. The next prime is 1310411327. The reversal of 1310411257 is 7521140131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1171076841 + 139334416 = 34221^2 + 11804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310411257 - 219 = 1309886969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310411227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655205628 + 655205629.

It is an arithmetic number, because the mean of its divisors is an integer number (655205629).

Almost surely, 21310411257 is an apocalyptic number.

It is an amenable number.

1310411257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310411257 is an equidigital number, since it uses as much as digits as its factorization.

1310411257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1310411257 is about 36199.6029950606. The cubic root of 1310411257 is about 1094.2986708858.

Adding to 1310411257 its reverse (7521140131), we get a palindrome (8831551388).

The spelling of 1310411257 in words is "one billion, three hundred ten million, four hundred eleven thousand, two hundred fifty-seven".