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201002223331031 = 1711823660195943
BaseRepresentation
bin101101101100111101111010…
…000111101110011011010111
3222100200121212112122101212012
4231230331322013232123113
5202321210023133043111
61551255051401414435
760223634321134313
oct5554757207563327
9870617775571765
10201002223331031
1159055622a53801
121a6636b1a9a41b
1388205750676c5
14378c7b945cb43
1518387e0ad048b
hexb6cf7a1ee6d7

201002223331031 has 4 divisors (see below), whose sum is σ = 212825883526992. Its totient is φ = 189178563135072.

The previous prime is 201002223330901. The next prime is 201002223331051. The reversal of 201002223331031 is 130133322200102.

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 201002223331031 - 242 = 196604176819927 is a prime.

It is a super-2 number, since 2×2010022233310312 (a number of 29 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 = 201002223330988 and 201002223331006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002223331051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5911830097955 + ... + 5911830097988.

It is an arithmetic number, because the mean of its divisors is an integer number (53206470881748).

Almost surely, 2201002223331031 is an apocalyptic number.

201002223331031 is a deficient number, since it is larger than the sum of its proper divisors (11823660195961).

201002223331031 is a wasteful number, since it uses less digits than its factorization.

201002223331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11823660195960.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 201002223331031 its reverse (130133322200102), we get a palindrome (331135545531133).

The spelling of 201002223331031 in words is "two hundred one trillion, two billion, two hundred twenty-three million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 17 11823660195943 201002223331031