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1005340031131 = 21372531185873
BaseRepresentation
bin11101010000100101110…
…11110111100010011011
310120002221212122010001211
432220102323313202123
5112432414021444011
62045502525523551
7132430156160632
oct16502273674233
93502855563054
101005340031131
113583a9269367
12142a124135b7
1373a596ccc87
143693173c519
151b240487b21
hexea12ef789b

1005340031131 has 8 divisors (see below), whose sum is σ = 1006213285584. Its totient is φ = 1004467157760.

The previous prime is 1005340031063. The next prime is 1005340031207. The reversal of 1005340031131 is 1311300435001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005340031131 - 215 = 1005339998363 is a prime.

It is a super-2 number, since 2×10053400311312 (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 (1005340031431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315811 + ... + 5501683.

It is an arithmetic number, because the mean of its divisors is an integer number (125776660698).

Almost surely, 21005340031131 is an apocalyptic number.

1005340031131 is a deficient number, since it is larger than the sum of its proper divisors (873254453).

1005340031131 is a wasteful number, since it uses less digits than its factorization.

1005340031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190541.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 1005340031131 its reverse (1311300435001), we get a palindrome (2316640466132).

The spelling of 1005340031131 in words is "one trillion, five billion, three hundred forty million, thirty-one thousand, one hundred thirty-one".

Divisors: 1 2137 2531 185873 5408747 397210601 470444563 1005340031131