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30631130555315 = 57321676883841
BaseRepresentation
bin1101111011011110111011…
…01001111110001110110011
311000110022022011011212200112
412331233131221332032303
513003330023410232230
6145051425213211535
76311011653526553
oct675573551761663
9130408264155615
1030631130555315
11983a653712614
123528627790bab
131412670750194
1477c7a9c8d163
15381bbcb3ed95
hex1bdbdda7e3b3

30631130555315 has 24 divisors (see below), whose sum is σ = 37490945512608. Its totient is φ = 24024491458560.

The previous prime is 30631130555309. The next prime is 30631130555317. The reversal of 30631130555315 is 51355503113603.

It is not a de Polignac number, because 30631130555315 - 228 = 30630862119859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30631130555317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007795 + ... + 7891635.

It is an arithmetic number, because the mean of its divisors is an integer number (1562122729692).

Almost surely, 230631130555315 is an apocalyptic number.

30631130555315 is a deficient number, since it is larger than the sum of its proper divisors (6859814957293).

30631130555315 is an equidigital number, since it uses as much as digits as its factorization.

30631130555315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884159 (or 6884086 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 41.

Adding to 30631130555315 its reverse (51355503113603), we get a palindrome (81986633668918).

The spelling of 30631130555315 in words is "thirty trillion, six hundred thirty-one billion, one hundred thirty million, five hundred fifty-five thousand, three hundred fifteen".

Divisors: 1 5 73 167 365 835 5329 12191 26645 60955 889943 4449715 6883841 34419205 502520393 1149601447 2512601965 5748007235 36683988689 83920905631 183419943445 419604528155 6126226111063 30631130555315