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1310301131 = 2295721839
BaseRepresentation
bin100111000011001…
…1001101111001011
310101022120012020112
41032012121233023
510140414114011
6334004144535
744320242626
oct11606315713
93338505215
101310301131
116126a36a7
1230699814b
1317b603919
14c6042dbd
157a07758b
hex4e199bcb

1310301131 has 4 divisors (see below), whose sum is σ = 1316023200. Its totient is φ = 1304579064.

The previous prime is 1310301127. The next prime is 1310301143. The reversal of 1310301131 is 1311030131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311030131 = 1379569563.

It is a cyclic number.

It is not a de Polignac number, because 1310301131 - 22 = 1310301127 is a prime.

It is a super-2 number, since 2×13103011312 = 3433778107799758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310301101) 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 3 ways as a sum of consecutive naturals, for example, 2860691 + ... + 2861148.

It is an arithmetic number, because the mean of its divisors is an integer number (329005800).

Almost surely, 21310301131 is an apocalyptic number.

1310301131 is a deficient number, since it is larger than the sum of its proper divisors (5722069).

1310301131 is an equidigital number, since it uses as much as digits as its factorization.

1310301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722068.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1310301131 is about 36198.0818690715. The cubic root of 1310301131 is about 1094.2680153414.

Adding to 1310301131 its reverse (1311030131), we get a palindrome (2621331262).

Subtracting 1310301131 from its reverse (1311030131), we obtain a cube (729000 = 903).

The spelling of 1310301131 in words is "one billion, three hundred ten million, three hundred one thousand, one hundred thirty-one".

Divisors: 1 229 5721839 1310301131