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331431223441 = 5711693342847
BaseRepresentation
bin1001101001010101101…
…01110010000010010001
31011200111000022121120211
410310222311302002101
520412232343122231
6412131333204121
732642113626313
oct4645265620221
91150430277524
10331431223441
1111861731571a
1254297790641
132533b885286
14120816a97b3
15894bc98eb1
hex4d2ad72091

331431223441 has 8 divisors (see below), whose sum is σ = 332208740864. Its totient is φ = 330654396240.

The previous prime is 331431223429. The next prime is 331431223469. The reversal of 331431223441 is 144322134133.

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 331431223441 - 211 = 331431221393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331431223241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795280 + ... + 1138126.

It is an arithmetic number, because the mean of its divisors is an integer number (41526092608).

Almost surely, 2331431223441 is an apocalyptic number.

It is an amenable number.

331431223441 is a deficient number, since it is larger than the sum of its proper divisors (777517423).

331431223441 is a wasteful number, since it uses less digits than its factorization.

331431223441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345111.

The product of its digits is 20736, while the sum is 31.

Adding to 331431223441 its reverse (144322134133), we get a palindrome (475753357574).

The spelling of 331431223441 in words is "three hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-three thousand, four hundred forty-one".

Divisors: 1 571 1693 342847 966703 195765637 580439971 331431223441