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103431310441 = 194483531827
BaseRepresentation
bin110000001010011111…
…1001000110001101001
3100212222022020222021121
41200110333020301221
53143311403413231
6115303215535241
710321060430014
oct1402477106151
9325868228247
10103431310441
113a957307458
1218066b2a521
1399a4678b54
145012a5c37b
152a555c9311
hex1814fc8c69

103431310441 has 4 divisors (see below), whose sum is σ = 103432036752. Its totient is φ = 103430584132.

The previous prime is 103431310421. The next prime is 103431310457. The reversal of 103431310441 is 144013134301.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103431310441 - 27 = 103431310313 is a prime.

It is a super-2 number, since 2×1034313104412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103431310421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71431 + ... + 460396.

It is an arithmetic number, because the mean of its divisors is an integer number (25858009188).

Almost surely, 2103431310441 is an apocalyptic number.

It is an amenable number.

103431310441 is a deficient number, since it is larger than the sum of its proper divisors (726311).

103431310441 is an equidigital number, since it uses as much as digits as its factorization.

103431310441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726310.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 103431310441 its reverse (144013134301), we get a palindrome (247444444742).

The spelling of 103431310441 in words is "one hundred three billion, four hundred thirty-one million, three hundred ten thousand, four hundred forty-one".

Divisors: 1 194483 531827 103431310441