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30211313041 = 721347427493
BaseRepresentation
bin11100001000101111…
…000000110110010001
32212222110220201101001
4130020233000312101
5443333044004131
621513501142001
72116443631600
oct341057006621
985873821331
1030211313041
11118a3553708
125a3185a901
132b060b07c0
141668533a37
15bbc46a261
hex708bc0d91

30211313041 has 12 divisors (see below), whose sum is σ = 37847140212. Its totient is φ = 23903455968.

The previous prime is 30211313039. The next prime is 30211313063. The reversal of 30211313041 is 14031311203.

It can be written as a sum of positive squares in 2 ways, for example, as 8453883025 + 21757430016 = 91945^2 + 147504^2 .

It is not a de Polignac number, because 30211313041 - 21 = 30211313039 is a prime.

It is a super-2 number, since 2×302113130412 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30211313081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23713110 + ... + 23714383.

It is an arithmetic number, because the mean of its divisors is an integer number (3153928351).

Almost surely, 230211313041 is an apocalyptic number.

It is an amenable number.

30211313041 is a deficient number, since it is larger than the sum of its proper divisors (7635827171).

30211313041 is a wasteful number, since it uses less digits than its factorization.

30211313041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47427520 (or 47427513 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30211313041 its reverse (14031311203), we get a palindrome (44242624244).

The spelling of 30211313041 in words is "thirty billion, two hundred eleven million, three hundred thirteen thousand, forty-one".

Divisors: 1 7 13 49 91 637 47427493 331992451 616557409 2323947157 4315901863 30211313041