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331220301330230 = 25133458373673437
BaseRepresentation
bin100101101001111100011110…
…0011001110011011100110110
31121102202100111021212212221022
41023103320330121303130312
5321403203134120031410
63132240301132021142
7126523606560266114
oct11323707431633466
91542670437785838
10331220301330230
119659a817229534
12311948689017b2
13112a7c2c07bab0
145bb1210630ab4
152845c00762455
hex12d3e3c673736

331220301330230 has 32 divisors (see below), whose sum is σ = 642076389307584. Its totient is φ = 122293188660096.

The previous prime is 331220301330211. The next prime is 331220301330257. The reversal of 331220301330230 is 32033103022133.

It is a happy number.

It is a super-2 number, since 2×3312203013302302 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331220301330230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32340929 + ... + 41332508.

It is an arithmetic number, because the mean of its divisors is an integer number (20064887165862).

Almost surely, 2331220301330230 is an apocalyptic number.

331220301330230 is a deficient number, since it is larger than the sum of its proper divisors (310856087977354).

331220301330230 is a wasteful number, since it uses less digits than its factorization.

331220301330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73708040.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 331220301330230 its reverse (32033103022133), we get a palindrome (363253404352363).

The spelling of 331220301330230 in words is "three hundred thirty-one trillion, two hundred twenty billion, three hundred one million, three hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 34583 69166 172915 345830 449579 899158 2247895 4495790 73673437 147346874 368367185 736734370 957754681 1915509362 4788773405 9577546810 2547848471771 5095696943542 12739242358855 25478484717710 33122030133023 66244060266046 165610150665115 331220301330230