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1311034105 = 51913800359
BaseRepresentation
bin100111000100100…
…1100101011111001
310101100221102200201
41032021030223321
510141111042410
6334032002201
744326414603
oct11611145371
93340842621
101311034105
11613054367
12307090361
1317b7cc434
14c6194173
157a16e83a
hex4e24caf9

1311034105 has 8 divisors (see below), whose sum is σ = 1656043200. Its totient is φ = 993625776.

The previous prime is 1311034079. The next prime is 1311034111. The reversal of 1311034105 is 5014301131.

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 1311034105 - 213 = 1311025913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6900085 + ... + 6900274.

It is an arithmetic number, because the mean of its divisors is an integer number (207005400).

Almost surely, 21311034105 is an apocalyptic number.

It is an amenable number.

1311034105 is a deficient number, since it is larger than the sum of its proper divisors (345009095).

1311034105 is a wasteful number, since it uses less digits than its factorization.

1311034105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800383.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1311034105 is about 36208.2049403170. The cubic root of 1311034105 is about 1094.4720194628.

Adding to 1311034105 its reverse (5014301131), we get a palindrome (6325335236).

The spelling of 1311034105 in words is "one billion, three hundred eleven million, thirty-four thousand, one hundred five".

Divisors: 1 5 19 95 13800359 69001795 262206821 1311034105