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1310345011 = 13031005637
BaseRepresentation
bin100111000011010…
…0100011100110011
310101022122102102201
41032012210130303
510140422020021
6334005124031
744320514563
oct11606443463
93338572381
101310345011
11612723668
123069b9617
1317b61a8a1
14c6054da3
157a085591
hex4e1a4733

1310345011 has 4 divisors (see below), whose sum is σ = 1311351952. Its totient is φ = 1309338072.

The previous prime is 1310344991. The next prime is 1310345021. The reversal of 1310345011 is 1105430131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105430131 = 1385033087.

It is a cyclic number.

It is not a de Polignac number, because 1310345011 - 27 = 1310344883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310345011.

It is not an unprimeable number, because it can be changed into a prime (1310345021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501516 + ... + 504121.

It is an arithmetic number, because the mean of its divisors is an integer number (327837988).

Almost surely, 21310345011 is an apocalyptic number.

1310345011 is a deficient number, since it is larger than the sum of its proper divisors (1006941).

1310345011 is a wasteful number, since it uses less digits than its factorization.

1310345011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006940.

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

The square root of 1310345011 is about 36198.6879734611. The cubic root of 1310345011 is about 1094.2802303311.

Adding to 1310345011 its reverse (1105430131), we get a palindrome (2415775142).

The spelling of 1310345011 in words is "one billion, three hundred ten million, three hundred forty-five thousand, eleven".

Divisors: 1 1303 1005637 1310345011