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1340421103131 = 311232417327949
BaseRepresentation
bin10011100000010111010…
…100101101111000011011
311202010212020210020121220
4103200113110231320123
5133430140300300011
62503440404103123
7165561612246165
oct23402724557033
94663766706556
101340421103131
1147751884a250
12197948394aa3
139952a499846
1448c3ba51935
1524d0288d506
hex1381752de1b

1340421103131 has 32 divisors (see below), whose sum is σ = 2042915212800. Its totient is φ = 773831308800.

The previous prime is 1340421103079. The next prime is 1340421103201. The reversal of 1340421103131 is 1313011240431.

It is a happy number.

It is not a de Polignac number, because 1340421103131 - 27 = 1340421103003 is a prime.

It is a super-3 number, since 3×13404211031313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1340421103031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3481056 + ... + 3846893.

It is an arithmetic number, because the mean of its divisors is an integer number (63841100400).

Almost surely, 21340421103131 is an apocalyptic number.

1340421103131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1340421103131 is a deficient number, since it is larger than the sum of its proper divisors (702494109669).

1340421103131 is a wasteful number, since it uses less digits than its factorization.

1340421103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328227.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1340421103131 its reverse (1313011240431), we get a palindrome (2653432343562).

The spelling of 1340421103131 in words is "one trillion, three hundred forty billion, four hundred twenty-one million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 3 11 23 33 69 241 253 723 759 2651 5543 7953 16629 60973 182919 7327949 21983847 80607439 168542827 241822317 505628481 1766035709 1853971097 5298107127 5561913291 19426392799 40618821307 58279178397 121856463921 446807034377 1340421103131