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3123113230221 = 32333446222779
BaseRepresentation
bin101101011100101000000…
…011011111111110001101
3102001120022010112100221120
4231130220003133332031
5402132113441331341
610350423255151153
7441431441306325
oct55345003377615
912046263470846
103123113230221
11aa4560aa9836
124253443754b9
1319867b9c521a
14ab2338bc285
155638cba8066
hex2d7280dff8d

3123113230221 has 8 divisors (see below), whose sum is σ = 4165935874080. Its totient is φ = 2081183036592.

The previous prime is 3123113230187. The next prime is 3123113230229. The reversal of 3123113230221 is 1220323113213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3123113230221 - 214 = 3123113213837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123113230191 and 3123113230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123113230229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223104391 + ... + 223118388.

It is an arithmetic number, because the mean of its divisors is an integer number (520741984260).

Almost surely, 23123113230221 is an apocalyptic number.

It is an amenable number.

3123113230221 is a deficient number, since it is larger than the sum of its proper divisors (1042822643859).

3123113230221 is a wasteful number, since it uses less digits than its factorization.

3123113230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446225115.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3123113230221 its reverse (1220323113213), we get a palindrome (4343436343434).

The spelling of 3123113230221 in words is "three trillion, one hundred twenty-three billion, one hundred thirteen million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 2333 6999 446222779 1338668337 1041037743407 3123113230221