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331350320101 = 157213442749
BaseRepresentation
bin1001101001001100000…
…01001010001111100101
31011200021101002022001211
410310212001022033211
520412101140220401
6412115323151421
732640112151443
oct4644601121745
91150241068054
10331350320101
11118585687859
1254274675571
1325327b99988
1412074a49b93
158944b17951
hex4d2604a3e5

331350320101 has 6 divisors (see below), whose sum is σ = 333474299250. Its totient is φ = 329239784016.

The previous prime is 331350320033. The next prime is 331350320123. The reversal of 331350320101 is 101023053133.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15067808001 + 316282512100 = 122751^2 + 562390^2 .

It is not a de Polignac number, because 331350320101 - 217 = 331350189029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331350320401) 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 5 ways as a sum of consecutive naturals, for example, 6696726 + ... + 6746023.

It is an arithmetic number, because the mean of its divisors is an integer number (55579049875).

Almost surely, 2331350320101 is an apocalyptic number.

It is an amenable number.

331350320101 is a deficient number, since it is larger than the sum of its proper divisors (2123979149).

331350320101 is an equidigital number, since it uses as much as digits as its factorization.

331350320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13443063 (or 13442906 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 331350320101 its reverse (101023053133), we get a palindrome (432373373234).

The spelling of 331350320101 in words is "three hundred thirty-one billion, three hundred fifty million, three hundred twenty thousand, one hundred one".

Divisors: 1 157 24649 13442749 2110511593 331350320101