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30302020112221 = 11132970110423643
BaseRepresentation
bin1101110001111001111010…
…01001010000111101011101
310222021211210212211010020101
412320330331021100331131
512432432014122042341
6144240320022221101
76245151210110554
oct670747511207535
9128254725733211
1030302020112221
119723018421590
123494899284791
1313ba611937720
1476a8a8900d9b
153783599be831
hex1b8f3d250f5d

30302020112221 has 32 divisors (see below), whose sum is σ = 36879686363520. Its totient is φ = 24516405984000.

The previous prime is 30302020112191. The next prime is 30302020112251. The reversal of 30302020112221 is 12221102020303.

It is an interprime number because it is at equal distance from previous prime (30302020112191) and next prime (30302020112251).

It is a cyclic number.

It is not a de Polignac number, because 30302020112221 - 27 = 30302020112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302020112251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2304775 + ... + 8118868.

It is an arithmetic number, because the mean of its divisors is an integer number (1152490198860).

Almost surely, 230302020112221 is an apocalyptic number.

It is an amenable number.

30302020112221 is a deficient number, since it is larger than the sum of its proper divisors (6577666251299).

30302020112221 is a wasteful number, since it uses less digits than its factorization.

30302020112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424397.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30302020112221 its reverse (12221102020303), we get a palindrome (42523122132524).

The spelling of 30302020112221 in words is "thirty trillion, three hundred two billion, twenty million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 11 13 29 143 319 377 701 4147 7711 9113 20329 100243 223619 264277 2907047 10423643 114660073 135507359 302285647 1490580949 3325142117 3929713411 7306973743 43226847521 80376711173 94990658659 211902238547 1044897245249 2330924624017 2754729101111 30302020112221