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1313344131 = 31139798307
BaseRepresentation
bin100111001001000…
…0000101010000011
310101112021210110020
41032102000222003
510142204003011
6334153304523
744355145431
oct11622005203
93345253406
101313344131
11614391980
12307a05143
1317c12aa08
14c65d5d51
157a479006
hex4e480a83

1313344131 has 8 divisors (see below), whose sum is σ = 1910318784. Its totient is φ = 795966120.

The previous prime is 1313344127. The next prime is 1313344147. The reversal of 1313344131 is 1314433131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313344131 - 22 = 1313344127 is a prime.

It is a super-2 number, since 2×13133441312 = 3449745612864290322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313344121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19899121 + ... + 19899186.

It is an arithmetic number, because the mean of its divisors is an integer number (238789848).

Almost surely, 21313344131 is an apocalyptic number.

1313344131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1313344131 is a deficient number, since it is larger than the sum of its proper divisors (596974653).

1313344131 is a wasteful number, since it uses less digits than its factorization.

1313344131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39798321.

The product of its digits is 1296, while the sum is 24.

The square root of 1313344131 is about 36240.0901075039. The cubic root of 1313344131 is about 1095.1144577089.

Adding to 1313344131 its reverse (1314433131), we get a palindrome (2627777262).

The spelling of 1313344131 in words is "one billion, three hundred thirteen million, three hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 3 11 33 39798307 119394921 437781377 1313344131