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1311413240087 is a prime number
BaseRepresentation
bin10011000101010110010…
…100100000000100010111
311122100222122101010021222
4103011112110200010113
5132441233242140322
62442242133000555
7163514020421666
oct23052624400427
94570878333258
101311413240087
11466192649415
121921b178315b
139688681a942
14476892a8ddd
15241a5de0e42
hex13156520117

1311413240087 has 2 divisors, whose sum is σ = 1311413240088. Its totient is φ = 1311413240086.

The previous prime is 1311413240029. The next prime is 1311413240099. The reversal of 1311413240087 is 7800423141131.

It is a strong prime.

It is an emirp because it is prime and its reverse (7800423141131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311413240087 - 236 = 1242693763351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311413240017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655706620043 + 655706620044.

It is an arithmetic number, because the mean of its divisors is an integer number (655706620044).

Almost surely, 21311413240087 is an apocalyptic number.

1311413240087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311413240087 is an equidigital number, since it uses as much as digits as its factorization.

1311413240087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 1311413240087 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, two hundred forty thousand, eighty-seven".