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1005344503031 = 111731081172973
BaseRepresentation
bin11101010000100110011…
…00111011010011110111
310120002222012001022100202
432220103030323103313
5112432421143044111
62045503205431115
7132430242164351
oct16502314732367
93502865038322
101005344503031
11358400843150
12142a13a0b49b
1373a5a60757b
14369321840d1
151b240a6cb3b
hexea1333b4f7

1005344503031 has 16 divisors (see below), whose sum is σ = 1161297619488. Its totient is φ = 860155161600.

The previous prime is 1005344503013. The next prime is 1005344503049. The reversal of 1005344503031 is 1303054435001.

It is an interprime number because it is at equal distance from previous prime (1005344503013) and next prime (1005344503049).

It is a cyclic number.

It is not a de Polignac number, because 1005344503031 - 222 = 1005340308727 is a prime.

It is a super-2 number, since 2×10053445030312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005344502985 and 1005344503003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005344503061) 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 15 ways as a sum of consecutive naturals, for example, 5725661 + ... + 5898633.

It is an arithmetic number, because the mean of its divisors is an integer number (72581101218).

Almost surely, 21005344503031 is an apocalyptic number.

1005344503031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1005344503031 is a deficient number, since it is larger than the sum of its proper divisors (155953116457).

1005344503031 is a wasteful number, since it uses less digits than its factorization.

1005344503031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204082.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1005344503031 its reverse (1303054435001), we get a palindrome (2308398938032).

The spelling of 1005344503031 in words is "one trillion, five billion, three hundred forty-four million, five hundred three thousand, thirty-one".

Divisors: 1 11 17 187 31081 172973 341891 528377 1902703 2940541 5812147 32345951 5376173813 59137911943 91394954821 1005344503031