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1000030131121 = 7142861447303
BaseRepresentation
bin11101000110101100111…
…00001101001110110001
310112121020211010020121111
432203112130031032301
5112341030203143441
62043224004153321
7132151451601610
oct16432634151661
93477224106544
101000030131121
11356123a3594a
12141990098841
13733c15b83c8
143658a44b877
151b02e219081
hexe8d670d3b1

1000030131121 has 4 divisors (see below), whose sum is σ = 1142891578432. Its totient is φ = 857168683812.

The previous prime is 1000030131119. The next prime is 1000030131167. The reversal of 1000030131121 is 1211310300001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1000030131121 - 21 = 1000030131119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000030131521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71430723645 + ... + 71430723658.

It is an arithmetic number, because the mean of its divisors is an integer number (285722894608).

Almost surely, 21000030131121 is an apocalyptic number.

It is an amenable number.

1000030131121 is a deficient number, since it is larger than the sum of its proper divisors (142861447311).

1000030131121 is an equidigital number, since it uses as much as digits as its factorization.

1000030131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142861447310.

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

Adding to 1000030131121 its reverse (1211310300001), we get a palindrome (2211340431122).

The spelling of 1000030131121 in words is "one trillion, thirty million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 7 142861447303 1000030131121