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3121221411030 = 235104040713701
BaseRepresentation
bin101101011010110111010…
…010110010000011010110
3102001101102021201222220010
4231122313102302003112
5402114230140123110
610345511435021050
7441333530151432
oct55326722620326
912041367658803
103121221411030
11aa3780130aa8
12424ab689a786
13198439a97198
14ab0d45439c2
15562cba64020
hex2d6b74b20d6

3121221411030 has 16 divisors (see below), whose sum is σ = 7490931386544. Its totient is φ = 832325709600.

The previous prime is 3121221411019. The next prime is 3121221411037. The reversal of 3121221411030 is 301141221213.

It is a junction number, because it is equal to n+sod(n) for n = 3121221410988 and 3121221411006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121221411037) 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, 52020356821 + ... + 52020356880.

It is an arithmetic number, because the mean of its divisors is an integer number (468183211659).

Almost surely, 23121221411030 is an apocalyptic number.

3121221411030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121221411030 is an abundant number, since it is smaller than the sum of its proper divisors (4369709975514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121221411030 is a wasteful number, since it uses less digits than its factorization.

3121221411030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104040713711.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3121221411030 its reverse (301141221213), we get a palindrome (3422362632243).

The spelling of 3121221411030 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-one million, four hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 104040713701 208081427402 312122141103 520203568505 624244282206 1040407137010 1560610705515 3121221411030