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331052042330 = 2533105204233
BaseRepresentation
bin1001101000101000011…
…11010100100001011010
31011122111120211012212222
410310110033110201122
520410443310323310
6412025550104042
732626530634112
oct4642417244132
91148446735788
10331052042330
1111844227a2a9
12541b07ab022
13252ab152a59
14120471a4042
158928849055
hex4d143d485a

331052042330 has 8 divisors (see below), whose sum is σ = 595893676212. Its totient is φ = 132420816928.

The previous prime is 331052042323. The next prime is 331052042339. The reversal of 331052042330 is 33240250133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 326090107849 + 4961934481 = 571043^2 + 70441^2 .

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

It is a super-2 number, since 2×3310520423302 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331052042330.

It is not an unprimeable number, because it can be changed into a prime (331052042339) 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 3 ways as a sum of consecutive naturals, for example, 16552602107 + ... + 16552602126.

Almost surely, 2331052042330 is an apocalyptic number.

331052042330 is a deficient number, since it is larger than the sum of its proper divisors (264841633882).

331052042330 is a wasteful number, since it uses less digits than its factorization.

331052042330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33105204240.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 331052042330 its reverse (33240250133), we get a palindrome (364292292463).

The spelling of 331052042330 in words is "three hundred thirty-one billion, fifty-two million, forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 33105204233 66210408466 165526021165 331052042330