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223130331033330 = 235721133318234931
BaseRepresentation
bin110010101110111110010100…
…000111101010111011110010
31002021001001101102012022122210
4302232332110013222323302
5213221231404221031310
62110320354201312550
764666430416161600
oct6256762407527362
91067031342168583
10223130331033330
1165107050966456
12210381a0495756
13976713b71c536
143d157cc1b4870
151abe1ea5bb820
hexcaef941eaef2

223130331033330 has 384 divisors, whose sum is σ = 631248801785856. Its totient is φ = 50325717657600.

The previous prime is 223130331033299. The next prime is 223130331033373. The reversal of 223130331033330 is 33330133031322.

It is a happy number.

It is a super-3 number, since 3×2231303310333303 (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 45250520965 + ... + 45250525895.

It is an arithmetic number, because the mean of its divisors is an integer number (1643877087984).

Almost surely, 2223130331033330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223130331033330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315624400892928).

223130331033330 is an abundant number, since it is smaller than the sum of its proper divisors (408118470752526).

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

223130331033330 is a wasteful number, since it uses less digits than its factorization.

223130331033330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 30.

Adding to 223130331033330 its reverse (33330133031322), we get a palindrome (256460464064652).

The spelling of 223130331033330 in words is "two hundred twenty-three trillion, one hundred thirty billion, three hundred thirty-one million, thirty-three thousand, three hundred thirty".