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320351341 = 1492150009
BaseRepresentation
bin10011000110000…
…010110001101101
3211022210112102111
4103012002301231
51124002220331
651442124021
710636640632
oct2306026155
9738715374
10320351341
11154914782
128b350611
13514a510b
1430790189
151d1cddb1
hex13182c6d

320351341 has 4 divisors (see below), whose sum is σ = 322501500. Its totient is φ = 318201184.

The previous prime is 320351323. The next prime is 320351351. The reversal of 320351341 is 143153023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78393316 + 241958025 = 8854^2 + 15555^2 .

It is a cyclic number.

It is not a de Polignac number, because 320351341 - 29 = 320350829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320351351) 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, 1074856 + ... + 1075153.

It is an arithmetic number, because the mean of its divisors is an integer number (80625375).

Almost surely, 2320351341 is an apocalyptic number.

It is an amenable number.

320351341 is a deficient number, since it is larger than the sum of its proper divisors (2150159).

320351341 is a wasteful number, since it uses less digits than its factorization.

320351341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150158.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 320351341 is about 17898.3614054471. The cubic root of 320351341 is about 684.2406140531.

The spelling of 320351341 in words is "three hundred twenty million, three hundred fifty-one thousand, three hundred forty-one".

Divisors: 1 149 2150009 320351341