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320230012331 = 10391097280957
BaseRepresentation
bin1001010100011110011…
…00100011010110101011
31010121120101021010121002
410222033030203112223
520221312340343311
6403040040305215
732064412123205
oct4521714432653
91117511233532
10320230012331
11113899547a59
125209047220b
132427506b2c8
14116dbbbd775
1584e371193b
hex4a8f3235ab

320230012331 has 8 divisors (see below), whose sum is σ = 320831559360. Its totient is φ = 319629031488.

The previous prime is 320230012303. The next prime is 320230012343. The reversal of 320230012331 is 133210032023.

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 320230012331 - 222 = 320225818027 is a prime.

It is a super-2 number, since 2×3202300123312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320230012631) 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, 999305 + ... + 1280261.

It is an arithmetic number, because the mean of its divisors is an integer number (40103944920).

Almost surely, 2320230012331 is an apocalyptic number.

320230012331 is a deficient number, since it is larger than the sum of its proper divisors (601547029).

320230012331 is a wasteful number, since it uses less digits than its factorization.

320230012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283093.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320230012331 its reverse (133210032023), we get a palindrome (453440044354).

The spelling of 320230012331 in words is "three hundred twenty billion, two hundred thirty million, twelve thousand, three hundred thirty-one".

Divisors: 1 1039 1097 280957 1139783 291914323 308209829 320230012331