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30310640315321 = 975411571367663
BaseRepresentation
bin1101110010001001111101…
…11100101110101110111001
310222022200001122020210211212
412321010332330232232321
512433102142410042241
6144244303235132505
76245604631453202
oct671047674565671
9128280048223755
1030310640315321
119726741296783
1234964a4144135
1313bb3867cb112
1476b0856d05a9
153786b1678beb
hex1b913ef2ebb9

30310640315321 has 16 divisors (see below), whose sum is σ = 30699338089728. Its totient is φ = 29923568985600.

The previous prime is 30310640315311. The next prime is 30310640315341. The reversal of 30310640315321 is 12351304601303.

It is a cyclic number.

It is not a de Polignac number, because 30310640315321 - 214 = 30310640298937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30310640315311) 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, 82257536 + ... + 82625198.

It is an arithmetic number, because the mean of its divisors is an integer number (1918708630608).

Almost surely, 230310640315321 is an apocalyptic number.

It is an amenable number.

30310640315321 is a deficient number, since it is larger than the sum of its proper divisors (388697774407).

30310640315321 is a wasteful number, since it uses less digits than its factorization.

30310640315321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369872.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 30310640315321 its reverse (12351304601303), we get a palindrome (42661944916624).

The spelling of 30310640315321 in words is "thirty trillion, three hundred ten billion, six hundred forty million, three hundred fifteen thousand, three hundred twenty-one".

Divisors: 1 97 541 1571 52477 152387 367663 849911 35663311 82441367 198905683 577598573 19293851251 56027061581 312480827993 30310640315321