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42030231321 = 3131077698239
BaseRepresentation
bin100111001001001100…
…100110111100011001
311000111011021222022010
4213021030212330121
51142034214400241
631150341420133
73015356033361
oct471114467431
9130434258263
1042030231321
1116908a73971
12818ba0a649
133c6a882c80
14206a0959a1
15115ed6bd16
hex9c9326f19

42030231321 has 8 divisors (see below), whose sum is σ = 60351101440. Its totient is φ = 25864757712.

The previous prime is 42030231311. The next prime is 42030231323. The reversal of 42030231321 is 12313203024.

42030231321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42030231321 - 211 = 42030229273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42030231323) 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, 538849081 + ... + 538849158.

It is an arithmetic number, because the mean of its divisors is an integer number (7543887680).

Almost surely, 242030231321 is an apocalyptic number.

It is an amenable number.

42030231321 is a deficient number, since it is larger than the sum of its proper divisors (18320870119).

42030231321 is a wasteful number, since it uses less digits than its factorization.

42030231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077698255.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 42030231321 its reverse (12313203024), we get a palindrome (54343434345).

The spelling of 42030231321 in words is "forty-two billion, thirty million, two hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 3 13 39 1077698239 3233094717 14010077107 42030231321