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131313322 = 279379523
BaseRepresentation
bin1111101001110…
…10111010101010
3100011002102000101
413310322322222
5232104011242
621010300014
73153100450
oct764727252
9304072011
10131313322
1168139708
1237b8760a
13212884ba
14136229d0
15b7dc9b7
hex7d3aeaa

131313322 has 8 divisors (see below), whose sum is σ = 225108576. Its totient is φ = 56277132.

The previous prime is 131313319. The next prime is 131313323. The reversal of 131313322 is 223313131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131313322.

It is not an unprimeable number, because it can be changed into a prime (131313323) 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, 4689748 + ... + 4689775.

It is an arithmetic number, because the mean of its divisors is an integer number (28138572).

Almost surely, 2131313322 is an apocalyptic number.

131313322 is a deficient number, since it is larger than the sum of its proper divisors (93795254).

131313322 is an equidigital number, since it uses as much as digits as its factorization.

131313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379532.

The product of its digits is 324, while the sum is 19.

The square root of 131313322 is about 11459.2025027922. The cubic root of 131313322 is about 508.2798925695.

Adding to 131313322 its reverse (223313131), we get a palindrome (354626453).

The spelling of 131313322 in words is "one hundred thirty-one million, three hundred thirteen thousand, three hundred twenty-two".

Divisors: 1 2 7 14 9379523 18759046 65656661 131313322