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30231213202 = 2231367480761
BaseRepresentation
bin11100001001111010…
…111011010010010010
32220000212100202021001
4130021322323102102
5443403142310302
621515451452214
72120105033551
oct341172732222
986025322231
1030231213202
1111903805a23
125a3845706a
132b0a25a648
14166b033d98
15bbe09b787
hex709ebb492

30231213202 has 16 divisors (see below), whose sum is σ = 47353133952. Its totient is φ = 14447799520.

The previous prime is 30231213191. The next prime is 30231213227. The reversal of 30231213202 is 20231213203.

It is a self number, because there is not a number n which added to its sum of digits gives 30231213202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177499 + ... + 303262.

It is an arithmetic number, because the mean of its divisors is an integer number (2959570872).

Almost surely, 230231213202 is an apocalyptic number.

30231213202 is a deficient number, since it is larger than the sum of its proper divisors (17121920750).

30231213202 is a wasteful number, since it uses less digits than its factorization.

30231213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482153.

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

Adding to 30231213202 its reverse (20231213203), we get a palindrome (50462426405).

Subtracting from 30231213202 its reverse (20231213203), we obtain a palindrome (9999999999).

The spelling of 30231213202 in words is "thirty billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred two".

Divisors: 1 2 23 46 1367 2734 31441 62882 480761 961522 11057503 22115006 657200287 1314400574 15115606601 30231213202