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331100112001 = 1312719326501
BaseRepresentation
bin1001101000101110001…
…10101100010010000001
31011122121221021102002011
410310113012230102001
520411043112041001
6412034424252521
732630653341661
oct4642706542201
91148557242064
10331100112001
111184674217aa
1254204911141
13252b80b3649
141204d7181a1
15892cb91d51
hex4d171ac481

331100112001 has 8 divisors (see below), whose sum is σ = 334858727808. Its totient is φ = 327360150000.

The previous prime is 331100111999. The next prime is 331100112019. The reversal of 331100112001 is 100211001133.

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 331100112001 - 21 = 331100111999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331100112401) 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, 4627750 + ... + 4698751.

It is an arithmetic number, because the mean of its divisors is an integer number (41857340976).

Almost surely, 2331100112001 is an apocalyptic number.

It is an amenable number.

331100112001 is a deficient number, since it is larger than the sum of its proper divisors (3758615807).

331100112001 is a wasteful number, since it uses less digits than its factorization.

331100112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326903.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 331100112001 its reverse (100211001133), we get a palindrome (431311113134).

The spelling of 331100112001 in words is "three hundred thirty-one billion, one hundred million, one hundred twelve thousand, one".

Divisors: 1 131 271 35501 9326501 1221771631 2527481771 331100112001