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324020131 = 833903857
BaseRepresentation
bin10011010100000…
…010011110100011
3211120200221001121
4103110002132203
51130422121011
652052513111
711013061051
oct2324023643
9746627047
10324020131
111569a0136
129061b797
135218acb6
14310671d1
151d6a5e71
hex135027a3

324020131 has 4 divisors (see below), whose sum is σ = 327924072. Its totient is φ = 320116192.

The previous prime is 324020083. The next prime is 324020141. The reversal of 324020131 is 131020423.

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: 131020423 = 883148381.

It is a cyclic number.

It is not a de Polignac number, because 324020131 - 27 = 324020003 is a prime.

It is a super-2 number, since 2×3240201312 = 209978090586514322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951846 + ... + 1952011.

It is an arithmetic number, because the mean of its divisors is an integer number (81981018).

Almost surely, 2324020131 is an apocalyptic number.

324020131 is a deficient number, since it is larger than the sum of its proper divisors (3903941).

324020131 is an equidigital number, since it uses as much as digits as its factorization.

324020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903940.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 324020131 is about 18000.5591857586. The cubic root of 324020131 is about 686.8427700784.

Adding to 324020131 its reverse (131020423), we get a palindrome (455040554).

The spelling of 324020131 in words is "three hundred twenty-four million, twenty thousand, one hundred thirty-one".

Divisors: 1 83 3903857 324020131