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1003431110231 = 11739371333621
BaseRepresentation
bin11101001101000010010…
…01111010011001010111
310112221000211122212212202
432212201021322121113
5112420011331011411
62044545255035115
7132331646464604
oct16464111723127
93487024585782
101003431110231
1135760977a890
1214257b06ba9b
1373814094a94
14367cddd16ab
151b17cab683b
hexe9a127a657

1003431110231 has 16 divisors (see below), whose sum is σ = 1110832443168. Its totient is φ = 898753190400.

The previous prime is 1003431110141. The next prime is 1003431110233. The reversal of 1003431110231 is 1320111343001.

It is a cyclic number.

It is not a de Polignac number, because 1003431110231 - 222 = 1003426915927 is a prime.

It is a super-2 number, since 2×10034311102312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003431110233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85601 + ... + 1419221.

It is an arithmetic number, because the mean of its divisors is an integer number (69427027698).

Almost surely, 21003431110231 is an apocalyptic number.

1003431110231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1003431110231 is a deficient number, since it is larger than the sum of its proper divisors (107401332937).

1003431110231 is a wasteful number, since it uses less digits than its factorization.

1003431110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334642.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1003431110231 its reverse (1320111343001), we get a palindrome (2323542453232).

The spelling of 1003431110231 in words is "one trillion, three billion, four hundred thirty-one million, one hundred ten thousand, two hundred thirty-one".

Divisors: 1 11 73 803 937 10307 68401 752411 1333621 14669831 97354333 1070897663 1249602877 13745631647 91221010021 1003431110231