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30441020331 = 3131613126359
BaseRepresentation
bin11100010110011011…
…010001101110101011
32220120111011001112110
4130112123101232223
5444320400122311
621552344413403
72125233255261
oct342633215653
986514131473
1030441020331
1111a01187147
125a96777263
132b41869787
14168ac4a431
15bd26e18a6
hex7166d1bab

30441020331 has 16 divisors (see below), whose sum is σ = 40964901120. Its totient is φ = 20106084960.

The previous prime is 30441020327. The next prime is 30441020347. The reversal of 30441020331 is 13302014403.

It is not a de Polignac number, because 30441020331 - 22 = 30441020327 is a prime.

It is a super-2 number, since 2×304410203312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30441020298 and 30441020307.

It is not an unprimeable number, because it can be changed into a prime (30441010331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177730 + ... + 304088.

It is an arithmetic number, because the mean of its divisors is an integer number (2560306320).

Almost surely, 230441020331 is an apocalyptic number.

30441020331 is a deficient number, since it is larger than the sum of its proper divisors (10523880789).

30441020331 is a wasteful number, since it uses less digits than its factorization.

30441020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127106.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30441020331 its reverse (13302014403), we get a palindrome (43743034734).

The spelling of 30441020331 in words is "thirty billion, four hundred forty-one million, twenty thousand, three hundred thirty-one".

Divisors: 1 3 131 393 613 1839 80303 126359 240909 379077 16553029 49659087 77458067 232374201 10147006777 30441020331