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1304141531 = 71185919717
BaseRepresentation
bin100110110111011…
…1001111011011011
310100212222020212012
41031232321323123
510132330012111
6333224140135
744214006620
oct11556717333
93325866765
101304141531
1160a176920
1230490764b
1317a2580a4
14c52bc347
157975c48b
hex4dbb9edb

1304141531 has 16 divisors (see below), whose sum is σ = 1627918080. Its totient is φ = 1014979680.

The previous prime is 1304141521. The next prime is 1304141543. The reversal of 1304141531 is 1351414031.

It is a happy number.

It is not a de Polignac number, because 1304141531 - 26 = 1304141467 is a prime.

It is a super-2 number, since 2×13041415312 = 3401570265758047922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304141497 and 1304141506.

It is not an unprimeable number, because it can be changed into a prime (1304141521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56285 + ... + 76001.

It is an arithmetic number, because the mean of its divisors is an integer number (101744880).

Almost surely, 21304141531 is an apocalyptic number.

1304141531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1304141531 is a deficient number, since it is larger than the sum of its proper divisors (323776549).

1304141531 is a wasteful number, since it uses less digits than its factorization.

1304141531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20594.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1304141531 is about 36112.8997866413. The cubic root of 1304141531 is about 1092.5506384375.

Adding to 1304141531 its reverse (1351414031), we get a palindrome (2655555562).

The spelling of 1304141531 in words is "one billion, three hundred four million, one hundred forty-one thousand, five hundred thirty-one".

Divisors: 1 7 11 77 859 6013 9449 19717 66143 138019 216887 1518209 16936903 118558321 186305933 1304141531