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30343120441 = 1910211564159
BaseRepresentation
bin11100010000100101…
…110100011000111001
32220022122221020010121
4130100211310120321
5444120314323231
621534530213241
72122634160664
oct342045643071
986278836117
1030343120441
111196099a547
125a69a24221
132b274acb4a
14167bc446db
15bc8d04311
hex710974639

30343120441 has 8 divisors (see below), whose sum is σ = 31971430400. Its totient is φ = 28717940880.

The previous prime is 30343120417. The next prime is 30343120453. The reversal of 30343120441 is 14402134303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30343120441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30343120541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762681 + ... + 801478.

It is an arithmetic number, because the mean of its divisors is an integer number (3996428800).

Almost surely, 230343120441 is an apocalyptic number.

It is an amenable number.

30343120441 is a deficient number, since it is larger than the sum of its proper divisors (1628309959).

30343120441 is a wasteful number, since it uses less digits than its factorization.

30343120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565199.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30343120441 its reverse (14402134303), we get a palindrome (44745254744).

The spelling of 30343120441 in words is "thirty billion, three hundred forty-three million, one hundred twenty thousand, four hundred forty-one".

Divisors: 1 19 1021 19399 1564159 29719021 1597006339 30343120441