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1313314442 = 211311925681
BaseRepresentation
bin100111001000111…
…1001011010001010
310101112020021201122
41032101321122022
510142202030232
6334152515242
744354663036
oct11621713212
93345207648
101313314442
11614371640
123079abb22
1317c11a34b
14c65c91c6
157a470312
hex4e47968a

1313314442 has 16 divisors (see below), whose sum is σ = 2218385664. Its totient is φ = 577704000.

The previous prime is 1313314441. The next prime is 1313314463. The reversal of 1313314442 is 2444133131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1313314441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962159 + ... + 963522.

It is an arithmetic number, because the mean of its divisors is an integer number (138649104).

Almost surely, 21313314442 is an apocalyptic number.

1313314442 is a deficient number, since it is larger than the sum of its proper divisors (905071222).

1313314442 is a wasteful number, since it uses less digits than its factorization.

1313314442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925725.

The product of its digits is 3456, while the sum is 26.

The square root of 1313314442 is about 36239.6804897615. The cubic root of 1313314442 is about 1095.1062057214.

Adding to 1313314442 its reverse (2444133131), we get a palindrome (3757447573).

The spelling of 1313314442 in words is "one billion, three hundred thirteen million, three hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 11 22 31 62 341 682 1925681 3851362 21182491 42364982 59696111 119392222 656657221 1313314442