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3031243412221 = 17199384654527
BaseRepresentation
bin101100000111000100001…
…011111101001011111101
3101201210011120021001201201
4230013010023331023331
5344130441303142341
610240311202135501
7432000015610333
oct54070413751375
911653146231651
103031243412221
11a695a7977812
1240b585351591
1318caca6a917b
14a69da531b53
1553cb25d1331
hex2c1c42fd2fd

3031243412221 has 8 divisors (see below), whose sum is σ = 3378475630080. Its totient is φ = 2702780503488.

The previous prime is 3031243412149. The next prime is 3031243412227. The reversal of 3031243412221 is 1222143421303.

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 3031243412221 - 217 = 3031243281149 is a prime.

It is a super-2 number, since 2×30312434122212 (a number of 26 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 3031243412221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031243412227) 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 7 ways as a sum of consecutive naturals, for example, 4692326941 + ... + 4692327586.

It is an arithmetic number, because the mean of its divisors is an integer number (422309453760).

Almost surely, 23031243412221 is an apocalyptic number.

It is an amenable number.

3031243412221 is a deficient number, since it is larger than the sum of its proper divisors (347232217859).

3031243412221 is a wasteful number, since it uses less digits than its factorization.

3031243412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384654563.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 3031243412221 its reverse (1222143421303), we get a palindrome (4253386833524).

The spelling of 3031243412221 in words is "three trillion, thirty-one billion, two hundred forty-three million, four hundred twelve thousand, two hundred twenty-one".

Divisors: 1 17 19 323 9384654527 159539126959 178308436013 3031243412221