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3103223130221 = 17891173451631
BaseRepresentation
bin101101001010000110100…
…000110010100001101101
3101222122221221210121011012
4231022012200302201231
5401320400110131341
610333333453235005
7440125522246514
oct55120640624155
911878857717135
103103223130221
11a97084613265
12421513192a65
1319682c019296
14aa2a804367b
1555ac68ea0eb
hex2d28683286d

3103223130221 has 4 divisors (see below), whose sum is σ = 3103396599744. Its totient is φ = 3103049660700.

The previous prime is 3103223130199. The next prime is 3103223130277. The reversal of 3103223130221 is 1220313223013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3103223130221 - 26 = 3103223130157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103223138221) 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, 86707925 + ... + 86743706.

It is an arithmetic number, because the mean of its divisors is an integer number (775849149936).

Almost surely, 23103223130221 is an apocalyptic number.

It is an amenable number.

3103223130221 is a deficient number, since it is larger than the sum of its proper divisors (173469523).

3103223130221 is a wasteful number, since it uses less digits than its factorization.

3103223130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173469522.

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

Adding to 3103223130221 its reverse (1220313223013), we get a palindrome (4323536353234).

The spelling of 3103223130221 in words is "three trillion, one hundred three billion, two hundred twenty-three million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 17891 173451631 3103223130221