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1010103131987 is a prime number
BaseRepresentation
bin11101011001011101101…
…01101001111101010011
310120120020211020201002122
432230232311221331103
5113022142400210422
62052011315404455
7132656203646225
oct16545665517523
93516224221078
101010103131987
1135a422980554
121439215b372b
1374338455251
1436c64174415
151b41d6e6d42
hexeb2ed69f53

1010103131987 has 2 divisors, whose sum is σ = 1010103131988. Its totient is φ = 1010103131986.

The previous prime is 1010103131959. The next prime is 1010103132097. The reversal of 1010103131987 is 7891313010101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010103131987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010103181987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505051565993 + 505051565994.

It is an arithmetic number, because the mean of its divisors is an integer number (505051565994).

Almost surely, 21010103131987 is an apocalyptic number.

1010103131987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010103131987 is an equidigital number, since it uses as much as digits as its factorization.

1010103131987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 1010103131987 in words is "one trillion, ten billion, one hundred three million, one hundred thirty-one thousand, nine hundred eighty-seven".