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331020001231 = 1637209996337
BaseRepresentation
bin1001101000100100101…
…01000101111111001111
31011122102100112100202121
410310102111011333033
520410412110014411
6412022443233411
732625661404613
oct4642225057717
91148370470677
10331020001231
11118426185357
12541a1b18867
13252a4614a1a
1412042c23343
158925b1a571
hex4d12545fcf

331020001231 has 8 divisors (see below), whose sum is σ = 331383452400. Its totient is φ = 330656750208.

The previous prime is 331020001199. The next prime is 331020001259. The reversal of 331020001231 is 132100020133.

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 331020001231 - 25 = 331020001199 is a prime.

It is a super-2 number, since 2×3310200012312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020001031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387895 + ... + 3484231.

It is an arithmetic number, because the mean of its divisors is an integer number (41422931550).

Almost surely, 2331020001231 is an apocalyptic number.

331020001231 is a deficient number, since it is larger than the sum of its proper divisors (363451169).

331020001231 is a wasteful number, since it uses less digits than its factorization.

331020001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100073.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 331020001231 its reverse (132100020133), we get a palindrome (463120021364).

The spelling of 331020001231 in words is "three hundred thirty-one billion, twenty million, one thousand, two hundred thirty-one".

Divisors: 1 1637 2099 96337 3436063 157703669 202211363 331020001231