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231301044321 = 3103107265381
BaseRepresentation
bin1101011101101010011…
…1011101100001100001
3211010000202201111011020
43113122213131201201
512242201031404241
6254131440040053
722465566302664
oct3273247354141
9733022644136
10231301044321
118a104456076
12389b2303029
1318a720c6689
14b2a323d6db
15603b3e7b66
hex35da9dd861

231301044321 has 24 divisors (see below), whose sum is σ = 314337825984. Its totient is φ = 151274151840.

The previous prime is 231301044283. The next prime is 231301044409. The reversal of 231301044321 is 123440103132.

It is a happy number.

It is not a de Polignac number, because 231301044321 - 215 = 231301011553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231301044291 and 231301044300.

It is not an unprimeable number, because it can be changed into a prime (231301044521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3505051 + ... + 3570431.

It is an arithmetic number, because the mean of its divisors is an integer number (13097409416).

Almost surely, 2231301044321 is an apocalyptic number.

It is an amenable number.

231301044321 is a deficient number, since it is larger than the sum of its proper divisors (83036781663).

231301044321 is a wasteful number, since it uses less digits than its factorization.

231301044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65701 (or 65594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231301044321 its reverse (123440103132), we get a palindrome (354741147453).

The spelling of 231301044321 in words is "two hundred thirty-one billion, three hundred one million, forty-four thousand, three hundred twenty-one".

Divisors: 1 3 103 107 309 321 11021 11449 33063 34347 65381 196143 1179247 3537741 6734243 6995767 20202729 20987301 720564001 748547069 2161692003 2245641207 77100348107 231301044321