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30310121101 = 132792270251
BaseRepresentation
bin11100001110100111…
…111011111010001101
32220020100211200112211
4130032213323322031
5444033342333401
621531351030421
72122053531001
oct341647737215
986210750484
1030310121101
1111944300667
125a5a96b411
132b206c7900
1416776d4701
15bc5e86951
hex70e9fbe8d

30310121101 has 12 divisors (see below), whose sum is σ = 33236489280. Its totient is φ = 27624402000.

The previous prime is 30310121099. The next prime is 30310121123. The reversal of 30310121101 is 10112101303.

It is not a de Polignac number, because 30310121101 - 21 = 30310121099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30310121141) 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, 1121775 + ... + 1148476.

It is an arithmetic number, because the mean of its divisors is an integer number (2769707440).

Almost surely, 230310121101 is an apocalyptic number.

It is an amenable number.

30310121101 is a deficient number, since it is larger than the sum of its proper divisors (2926368179).

30310121101 is a wasteful number, since it uses less digits than its factorization.

30310121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270356 (or 2270343 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 30310121101 its reverse (10112101303), we get a palindrome (40422222404).

The spelling of 30310121101 in words is "thirty billion, three hundred ten million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 13 79 169 1027 13351 2270251 29513263 179349829 383672419 2331547777 30310121101