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1003100120131 = 1926675206393
BaseRepresentation
bin11101001100011010110…
…11010010010001000011
310112220011202211211211011
432212031123102101003
5112413322112321011
62044452352501351
7132320520224104
oct16461533222103
93486152754734
101003100120131
1135745995a04a
121424a824a857
1373790636455
143679c0723ab
151b15d9d5621
hexe98d6d2443

1003100120131 has 4 divisors (see below), whose sum is σ = 1003105519192. Its totient is φ = 1003094721072.

The previous prime is 1003100120117. The next prime is 1003100120137. The reversal of 1003100120131 is 1310210013001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1003100120131 is a prime.

It is a super-2 number, since 2×10031001201312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003100120137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410530 + ... + 2795863.

It is an arithmetic number, because the mean of its divisors is an integer number (250776379798).

Almost surely, 21003100120131 is an apocalyptic number.

1003100120131 is a deficient number, since it is larger than the sum of its proper divisors (5399061).

1003100120131 is an equidigital number, since it uses as much as digits as its factorization.

1003100120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399060.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1003100120131 its reverse (1310210013001), we get a palindrome (2313310133132).

The spelling of 1003100120131 in words is "one trillion, three billion, one hundred million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 192667 5206393 1003100120131