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30344343101 = 49999606899
BaseRepresentation
bin11100010000101010…
…011110111000111101
32220022202020100022022
4130100222132320331
5444121122434401
621535012325525
72122650442412
oct342052367075
986282210268
1030344343101
1111961655106
125a6a3138a5
132b2781a507
14167c082109
15bc8e9671b
hex710a9ee3d

30344343101 has 4 divisors (see below), whose sum is σ = 30345000000. Its totient is φ = 30343686204.

The previous prime is 30344343031. The next prime is 30344343131. The reversal of 30344343101 is 10134344303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10134344303 = 63431597721.

It is a cyclic number.

It is not a de Polignac number, because 30344343101 - 226 = 30277234237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30344343131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253451 + ... + 353448.

It is an arithmetic number, because the mean of its divisors is an integer number (7586250000).

Almost surely, 230344343101 is an apocalyptic number.

It is an amenable number.

30344343101 is a deficient number, since it is larger than the sum of its proper divisors (656899).

30344343101 is an equidigital number, since it uses as much as digits as its factorization.

30344343101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656898.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 30344343101 its reverse (10134344303), we get a palindrome (40478687404).

The spelling of 30344343101 in words is "thirty billion, three hundred forty-four million, three hundred forty-three thousand, one hundred one".

Divisors: 1 49999 606899 30344343101