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230103202231 = 731777377521
BaseRepresentation
bin1101011001001100111…
…0000011100110110111
3210222221021202210201101
43112103032003212313
512232222404432411
6253412530110531
722424112643000
oct3262316034667
9728837683641
10230103202231
118964a293631
123871911b447
1318910ba9486
14b1cc1121a7
155ebb1868c1
hex35933839b7

230103202231 has 16 divisors (see below), whose sum is σ = 268493646400. Its totient is φ = 197119802880.

The previous prime is 230103202201. The next prime is 230103202243. The reversal of 230103202231 is 132202301032.

It is not a de Polignac number, because 230103202231 - 29 = 230103201719 is a prime.

It is a super-2 number, since 2×2301032022312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230103202199 and 230103202208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230103202201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420751 + ... + 798271.

It is an arithmetic number, because the mean of its divisors is an integer number (16780852900).

Almost surely, 2230103202231 is an apocalyptic number.

230103202231 is a deficient number, since it is larger than the sum of its proper divisors (38390444169).

230103202231 is an equidigital number, since it uses as much as digits as its factorization.

230103202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379319 (or 379305 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 230103202231 its reverse (132202301032), we get a palindrome (362305503263).

The spelling of 230103202231 in words is "two hundred thirty billion, one hundred three million, two hundred two thousand, two hundred thirty-one".

Divisors: 1 7 49 343 1777 12439 87073 377521 609511 2642647 18498529 129489703 670854817 4695983719 32871886033 230103202231