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30212200300031 = 1714991185582557
BaseRepresentation
bin1101101111010010100110…
…11101110111110111111111
310221222020222011222220022122
412313221103131313313333
512424444041234100111
6144131143200033155
76235521326234111
oct667512335676777
9127866864886278
1030212200300031
119698a16491242
12347b3b09027bb
1313b1cc9253969
147663c79093b1
15375d4e386cdb
hex1b7a53777dff

30212200300031 has 8 divisors (see below), whose sum is σ = 32010729066000. Its totient is φ = 28416042702208.

The previous prime is 30212200300019. The next prime is 30212200300049. The reversal of 30212200300031 is 13000300221203.

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-30212200300031 is a prime.

It is a super-2 number, since 2×302122003000312 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212200299982 and 30212200300009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212200300091) 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, 592765796 + ... + 592816761.

It is an arithmetic number, because the mean of its divisors is an integer number (4001341133250).

Almost surely, 230212200300031 is an apocalyptic number.

30212200300031 is a deficient number, since it is larger than the sum of its proper divisors (1798528765969).

30212200300031 is a wasteful number, since it uses less digits than its factorization.

30212200300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185584073.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30212200300031 its reverse (13000300221203), we get a palindrome (43212500521234).

The spelling of 30212200300031 in words is "thirty trillion, two hundred twelve billion, two hundred million, three hundred thousand, thirty-one".

Divisors: 1 17 1499 25483 1185582557 20154903469 1777188252943 30212200300031