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1313452131 = 3472392699
BaseRepresentation
bin100111001001001…
…1011000001100011
310101112111021121020
41032102123001203
510142220432011
6334155500523
744356105335
oct11622330143
93345437536
101313452131
11614456032
12307a57743
1317c167c14
14c6623455
157a49b006
hex4e49b063

1313452131 has 8 divisors (see below), whose sum is σ = 1751659200. Its totient is φ = 875439912.

The previous prime is 1313452117. The next prime is 1313452141. The reversal of 1313452131 is 1312543131.

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

It is not a de Polignac number, because 1313452131 - 27 = 1313452003 is a prime.

It is a super-2 number, since 2×13134521312 = 3450313000856882322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313452111) 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, 32181 + ... + 60518.

It is an arithmetic number, because the mean of its divisors is an integer number (218957400).

Almost surely, 21313452131 is an apocalyptic number.

1313452131 is a deficient number, since it is larger than the sum of its proper divisors (438207069).

1313452131 is an equidigital number, since it uses as much as digits as its factorization.

1313452131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97425.

The product of its digits is 1080, while the sum is 24.

The square root of 1313452131 is about 36241.5801393924. The cubic root of 1313452131 is about 1095.1444750051.

Adding to 1313452131 its reverse (1312543131), we get a palindrome (2625995262).

The spelling of 1313452131 in words is "one billion, three hundred thirteen million, four hundred fifty-two thousand, one hundred thirty-one".

Divisors: 1 3 4723 14169 92699 278097 437817377 1313452131