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331021320001 = 1731636156131
BaseRepresentation
bin1001101000100100110…
…10000111111101000001
31011122102110000100202221
410310102122013331001
520410412424220001
6412022531411041
732626005536461
oct4642232077501
91148373010687
10331021320001
111184269a6149
12541a2453a81
13252a4987068
1412043087ba1
158925ccb1a1
hex4d12687f41

331021320001 has 8 divisors (see below), whose sum is σ = 350604029664. Its totient is φ = 311450928960.

The previous prime is 331021319987. The next prime is 331021320013. The reversal of 331021320001 is 100023120133.

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

It is not a de Polignac number, because 331021320001 - 211 = 331021317953 is a prime.

It is a super-2 number, since 2×3310213200012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331021320601) 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, 3024295 + ... + 3131836.

It is an arithmetic number, because the mean of its divisors is an integer number (43825503708).

Almost surely, 2331021320001 is an apocalyptic number.

It is an amenable number.

331021320001 is a deficient number, since it is larger than the sum of its proper divisors (19582709663).

331021320001 is a wasteful number, since it uses less digits than its factorization.

331021320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159311.

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

Adding to 331021320001 its reverse (100023120133), we get a palindrome (431044440134).

The spelling of 331021320001 in words is "three hundred thirty-one billion, twenty-one million, three hundred twenty thousand, one".

Divisors: 1 17 3163 53771 6156131 104654227 19471842353 331021320001