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1316130531 = 317208112401
BaseRepresentation
bin100111001110010…
…1000111011100011
310101201112100200020
41032130220323203
510143412134111
6334333124523
744420632152
oct11634507343
93351470606
101316130531
11615a15391
12308929743
1317c895081
14c6b1d599
157a829906
hex4e728ee3

1316130531 has 16 divisors (see below), whose sum is σ = 1859109408. Its totient is φ = 825344000.

The previous prime is 1316130527. The next prime is 1316130533. The reversal of 1316130531 is 1350316131.

It is a cyclic number.

It is not a de Polignac number, because 1316130531 - 22 = 1316130527 is a prime.

It is a super-2 number, since 2×13161305312 = 3464399149260683922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316130533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99931 + ... + 112331.

It is an arithmetic number, because the mean of its divisors is an integer number (116194338).

Almost surely, 21316130531 is an apocalyptic number.

1316130531 is a deficient number, since it is larger than the sum of its proper divisors (542978877).

1316130531 is a wasteful number, since it uses less digits than its factorization.

1316130531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1316130531 is about 36278.5133515694. The cubic root of 1316130531 is about 1095.8883781198. Note that the first 3 decimals are identical.

Adding to 1316130531 its reverse (1350316131), we get a palindrome (2666446662).

The spelling of 1316130531 in words is "one billion, three hundred sixteen million, one hundred thirty thousand, five hundred thirty-one".

Divisors: 1 3 17 51 2081 6243 12401 35377 37203 106131 210817 632451 25806481 77419443 438710177 1316130531