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331023340131 = 31122344982109
BaseRepresentation
bin1001101000100101000…
…01110101001001100011
31011122102120210222212120
410310102201311021203
520410413433341011
6412023042555323
732626031652201
oct4642241651143
91148376728776
10331023340131
11118428055980
12541a3068b43
13252a52136c3
1412043452071
158926079a06
hex4d12875263

331023340131 has 16 divisors (see below), whose sum is σ = 483647646720. Its totient is φ = 199720559520.

The previous prime is 331023340129. The next prime is 331023340171. The reversal of 331023340131 is 131043320133.

It is a happy number.

It is not a de Polignac number, because 331023340131 - 21 = 331023340129 is a prime.

It is a super-2 number, since 2×3310233401312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331023340171) 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 15 ways as a sum of consecutive naturals, for example, 22483696 + ... + 22498413.

It is an arithmetic number, because the mean of its divisors is an integer number (30227977920).

Almost surely, 2331023340131 is an apocalyptic number.

331023340131 is a deficient number, since it is larger than the sum of its proper divisors (152624306589).

331023340131 is a wasteful number, since it uses less digits than its factorization.

331023340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44982346.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331023340131 its reverse (131043320133), we get a palindrome (462066660264).

The spelling of 331023340131 in words is "three hundred thirty-one billion, twenty-three million, three hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 11 33 223 669 2453 7359 44982109 134946327 494803199 1484409597 10031010307 30093030921 110341113377 331023340131