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2003122330031 = 8232433927497
BaseRepresentation
bin11101001001100011011…
…001010001100110101111
321002111102001001122120002
4131021203121101212233
5230304343304030111
64132115515214515
7264502144605044
oct35114331214657
97074361048502
102003122330031
11702579374629
1228427574743b
13116b803aa234
146cd4741b1cb
153718c18763b
hex1d2636519af

2003122330031 has 4 divisors (see below), whose sum is σ = 2005556258352. Its totient is φ = 2000688401712.

The previous prime is 2003122330009. The next prime is 2003122330039. The reversal of 2003122330031 is 1300332213002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2003122330031 - 218 = 2003122067887 is a prime.

It is a super-2 number, since 2×20031223300312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003122329985 and 2003122330012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003122330039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216962926 + ... + 1216964571.

It is an arithmetic number, because the mean of its divisors is an integer number (501389064588).

Almost surely, 22003122330031 is an apocalyptic number.

2003122330031 is a deficient number, since it is larger than the sum of its proper divisors (2433928321).

2003122330031 is an equidigital number, since it uses as much as digits as its factorization.

2003122330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433928320.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2003122330031 its reverse (1300332213002), we get a palindrome (3303454543033).

The spelling of 2003122330031 in words is "two trillion, three billion, one hundred twenty-two million, three hundred thirty thousand, thirty-one".

Divisors: 1 823 2433927497 2003122330031