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1310113211 = 11177005953
BaseRepresentation
bin100111000010110…
…1011110110111011
310101022012122110112
41032011223312323
510140342110321
6334000134535
744315531021
oct11605536673
93338178415
101310113211
116125854a0
1230690744b
1317b569224
14c5dd4711
157a03ba5b
hex4e16bdbb

1310113211 has 8 divisors (see below), whose sum is σ = 1513286064. Its totient is φ = 1120952320.

The previous prime is 1310113187. The next prime is 1310113223. The reversal of 1310113211 is 1123110131.

It is a happy number.

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-1310113211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310113271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3502790 + ... + 3503163.

It is an arithmetic number, because the mean of its divisors is an integer number (189160758).

Almost surely, 21310113211 is an apocalyptic number.

1310113211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310113211 is a deficient number, since it is larger than the sum of its proper divisors (203172853).

1310113211 is a wasteful number, since it uses less digits than its factorization.

1310113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005981.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1310113211 is about 36195.4860583471. The cubic root of 1310113211 is about 1094.2157004773.

Adding to 1310113211 its reverse (1123110131), we get a palindrome (2433223342).

The spelling of 1310113211 in words is "one billion, three hundred ten million, one hundred thirteen thousand, two hundred eleven".

Divisors: 1 11 17 187 7005953 77065483 119101201 1310113211