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103440131111 = 5314887131101
BaseRepresentation
bin110000001010110000…
…0110010010000100111
3100212222220212002222002
41200111200302100213
53143321133143421
6115304132555515
710321225415162
oct1402540622047
9325886762862
10103440131111
113a961291569
1218069a82b9b
1399a6446995
145013cb6ad9
152a5626cb0b
hex1815832427

103440131111 has 8 divisors (see below), whose sum is σ = 105399715104. Its totient is φ = 101480839200.

The previous prime is 103440131101. The next prime is 103440131129. The reversal of 103440131111 is 111131044301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103440131111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440131101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723461 + ... + 854561.

It is an arithmetic number, because the mean of its divisors is an integer number (13174964388).

Almost surely, 2103440131111 is an apocalyptic number.

103440131111 is a deficient number, since it is larger than the sum of its proper divisors (1959583993).

103440131111 is a wasteful number, since it uses less digits than its factorization.

103440131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146041.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 103440131111 its reverse (111131044301), we get a palindrome (214571175412).

The spelling of 103440131111 in words is "one hundred three billion, four hundred forty million, one hundred thirty-one thousand, one hundred eleven".

Divisors: 1 53 14887 131101 789011 6948353 1951700587 103440131111