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1310013293 is a prime number
BaseRepresentation
bin100111000010101…
…0011011101101101
310101022000120101212
41032011103131231
510140330411133
6333554044205
744314633511
oct11605233555
93338016355
101310013293
11612517416
12306879665
1317b5328c4
14c5daa141
157a01c148
hex4e15376d

1310013293 has 2 divisors, whose sum is σ = 1310013294. Its totient is φ = 1310013292.

The previous prime is 1310013239. The next prime is 1310013337. The reversal of 1310013293 is 3923100131.

Together with previous prime (1310013239) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044388489 + 265624804 = 32317^2 + 16298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310013293 is a prime.

It is a super-2 number, since 2×13100132932 = 3432269655673407698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310013203) 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, 655006646 + 655006647.

It is an arithmetic number, because the mean of its divisors is an integer number (655006647).

Almost surely, 21310013293 is an apocalyptic number.

It is an amenable number.

1310013293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310013293 is an equidigital number, since it uses as much as digits as its factorization.

1310013293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1310013293 is about 36194.1057770461. The cubic root of 1310013293 is about 1094.1878823664.

The spelling of 1310013293 in words is "one billion, three hundred ten million, thirteen thousand, two hundred ninety-three".