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2002021310031 = 343107145042477
BaseRepresentation
bin11101001000100001110…
…001001101111001001111
321002101120022022001001120
4131020201301031321033
5230300114423410111
64131414344412023
7264432645233151
oct35104161157117
97071508261046
102002021310031
11702063922a46
12284008a77013
13116a36260202
146cc810d4ad1
153712569e406
hex1d221c4de4f

2002021310031 has 16 divisors (see below), whose sum is σ = 2756967421824. Its totient is φ = 1291458206304.

The previous prime is 2002021309999. The next prime is 2002021310057. The reversal of 2002021310031 is 1300131202002.

It is not a de Polignac number, because 2002021310031 - 25 = 2002021309999 is a prime.

It is a super-2 number, since 2×20020213100312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002021315031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72507436 + ... + 72535041.

It is an arithmetic number, because the mean of its divisors is an integer number (172310463864).

Almost surely, 22002021310031 is an apocalyptic number.

2002021310031 is a deficient number, since it is larger than the sum of its proper divisors (754946111793).

2002021310031 is a wasteful number, since it uses less digits than its factorization.

2002021310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145042630.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2002021310031 its reverse (1300131202002), we get a palindrome (3302152512033).

The spelling of 2002021310031 in words is "two trillion, two billion, twenty-one million, three hundred ten thousand, thirty-one".

Divisors: 1 3 43 107 129 321 4601 13803 145042477 435127431 6236826511 15519545039 18710479533 46558635117 667340436677 2002021310031