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320112310121 = 2331743905131
BaseRepresentation
bin1001010100010000010…
…11100011011101101001
31010121021011210020111222
410222020023203131221
520221042222410441
6403020233431425
732061452512112
oct4521013433551
91117234706458
10320112310121
111138390655aa
1252058b6b575
132425686a226
14116ca301209
1584d8211d4b
hex4a882e3769

320112310121 has 8 divisors (see below), whose sum is σ = 335083967424. Its totient is φ = 305228463760.

The previous prime is 320112310103. The next prime is 320112310123. The reversal of 320112310121 is 121013211023.

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

It is a cyclic number.

It is not a de Polignac number, because 320112310121 - 26 = 320112310057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320112310121.

It is not an unprimeable number, because it can be changed into a prime (320112310123) 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, 21945275 + ... + 21959856.

It is an arithmetic number, because the mean of its divisors is an integer number (41885495928).

Almost surely, 2320112310121 is an apocalyptic number.

It is an amenable number.

320112310121 is a deficient number, since it is larger than the sum of its proper divisors (14971657303).

320112310121 is a wasteful number, since it uses less digits than its factorization.

320112310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43905471.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 320112310121 its reverse (121013211023), we get a palindrome (441125521144).

The spelling of 320112310121 in words is "three hundred twenty billion, one hundred twelve million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 23 317 7291 43905131 1009818013 13917926527 320112310121