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1310311343 = 11306738839
BaseRepresentation
bin100111000011001…
…1100001110101111
310101022120201020202
41032012130032233
510140414430333
6334004304115
744320314455
oct11606341657
93338521222
101310311343
11612700340
123069a203b
1317b608473
14c60469d5
157a07a5e8
hex4e19c3af

1310311343 has 8 divisors (see below), whose sum is σ = 1429933440. Its totient is φ = 1190773080.

The previous prime is 1310311337. The next prime is 1310311361. The reversal of 1310311343 is 3431130131.

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

It is a cyclic number.

It is not a de Polignac number, because 1310311343 - 214 = 1310294959 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 (1310311313) 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 7 ways as a sum of consecutive naturals, for example, 14318 + ... + 53156.

It is an arithmetic number, because the mean of its divisors is an integer number (178741680).

Almost surely, 21310311343 is an apocalyptic number.

1310311343 is a deficient number, since it is larger than the sum of its proper divisors (119622097).

1310311343 is a wasteful number, since it uses less digits than its factorization.

1310311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41917.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1310311343 is about 36198.2229259946. Note that the first 3 decimals coincide. The cubic root of 1310311343 is about 1094.2708581067.

Adding to 1310311343 its reverse (3431130131), we get a palindrome (4741441474).

The spelling of 1310311343 in words is "one billion, three hundred ten million, three hundred eleven thousand, three hundred forty-three".

Divisors: 1 11 3067 33737 38839 427229 119119213 1310311343