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30131014210 = 25112967140977
BaseRepresentation
bin11100000011111100…
…101100101001000010
32212202212211010002021
4130003330230221002
5443202014423320
621501512112054
72114450252323
oct340374545102
985685733067
1030131014210
1111862198a40
125a0a99562a
132ac25773bb
14165b9d044a
15bb53a7daa
hex703f2ca42

30131014210 has 64 divisors (see below), whose sum is σ = 62120545920. Its totient is φ = 10420945920.

The previous prime is 30131014189. The next prime is 30131014211. The reversal of 30131014210 is 1241013103.

It is not an unprimeable number, because it can be changed into a prime (30131014211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143242 + ... + 284218.

It is an arithmetic number, because the mean of its divisors is an integer number (970633530).

Almost surely, 230131014210 is an apocalyptic number.

30131014210 is an abundant number, since it is smaller than the sum of its proper divisors (31989531710).

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

30131014210 is a wasteful number, since it uses less digits than its factorization.

30131014210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141091.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30131014210 its reverse (1241013103), we get a palindrome (31372027313).

The spelling of 30131014210 in words is "thirty billion, one hundred thirty-one million, fourteen thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 67 110 134 145 290 319 335 638 670 737 1474 1595 1943 3190 3685 3886 7370 9715 19430 21373 42746 106865 140977 213730 281954 704885 1409770 1550747 3101494 4088333 7753735 8176666 9445459 15507470 18890918 20441665 40883330 44971663 47227295 89943326 94454590 103900049 207800098 224858315 273918311 449716630 519500245 547836622 1039000490 1369591555 2739183110 3013101421 6026202842 15065507105 30131014210