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331003111023001 = 789996741899303
BaseRepresentation
bin100101101000010111010101…
…0110110100010000110011001
31121101222120212221000010002101
41023100232222312202012121
5321341123332410214001
63131552421402003401
7126502120442163244
oct11320565266420631
91541876787003071
10331003111023001
11965166a3a3705a
123115a7541a6561
13112905c84c6cc1
145ba48c949225b
15284023d073a01
hex12d0baada2199

331003111023001 has 4 divisors (see below), whose sum is σ = 331003160822272. Its totient is φ = 331003061223732.

The previous prime is 331003111022977. The next prime is 331003111023007. The reversal of 331003111023001 is 100320111300133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331003111023001 - 227 = 331002976805273 is a prime.

It is a super-2 number, since 2×3310031110230012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331003111023001.

It is not an unprimeable number, because it can be changed into a prime (331003111023007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13049685 + ... + 28849618.

It is an arithmetic number, because the mean of its divisors is an integer number (82750790205568).

Almost surely, 2331003111023001 is an apocalyptic number.

It is an amenable number.

331003111023001 is a deficient number, since it is larger than the sum of its proper divisors (49799271).

331003111023001 is an equidigital number, since it uses as much as digits as its factorization.

331003111023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49799270.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 331003111023001 its reverse (100320111300133), we get a palindrome (431323222323134).

The spelling of 331003111023001 in words is "three hundred thirty-one trillion, three billion, one hundred eleven million, twenty-three thousand, one".

Divisors: 1 7899967 41899303 331003111023001