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213302331230 = 25149143155927
BaseRepresentation
bin1100011010100111001…
…1110100011101011110
3202101120101222010102212
43012221303310131132
511443320344044410
6241553441120422
721260554620542
oct3065163643536
9671511863385
10213302331230
118250867257a
123540a629112
1317164226aa1
14a476a69a22
1558361e5b05
hex31a9cf475e

213302331230 has 16 divisors (see below), whose sum is σ = 386521005600. Its totient is φ = 84748308192.

The previous prime is 213302331197. The next prime is 213302331241. The reversal of 213302331230 is 32133203312.

It is a junction number, because it is equal to n+sod(n) for n = 213302331196 and 213302331205.

It is a congruent number.

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, 71576474 + ... + 71579453.

It is an arithmetic number, because the mean of its divisors is an integer number (24157562850).

Almost surely, 2213302331230 is an apocalyptic number.

213302331230 is a deficient number, since it is larger than the sum of its proper divisors (173218674370).

213302331230 is a wasteful number, since it uses less digits than its factorization.

213302331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143156083.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213302331230 its reverse (32133203312), we get a palindrome (245435534542).

The spelling of 213302331230 in words is "two hundred thirteen billion, three hundred two million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 149 298 745 1490 143155927 286311854 715779635 1431559270 21330233123 42660466246 106651165615 213302331230