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30221331121323 = 332907738494637
BaseRepresentation
bin1101101111100011100111…
…01101001100010010101011
310222000010112112020200102000
412313301303231030102223
512430121241231340243
6144135253213142043
76236263521026256
oct667616355142253
9128003475220360
1030221331121323
1196a1881605441
12348111a78a923
1313b2b22b494b4
14766a1245609d
153761d5ca55d3
hex1b7c73b4c4ab

30221331121323 has 16 divisors (see below), whose sum is σ = 44773883350560. Its totient is φ = 20146860654048.

The previous prime is 30221331121321. The next prime is 30221331121339. The reversal of 30221331121323 is 32312113312203.

30221331121323 is a `hidden beast` number, since 3 + 0 + 2 + 2 + 1 + 3 + 311 + 21 + 323 = 666.

It is not a de Polignac number, because 30221331121323 - 21 = 30221331121321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30221331121321) 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, 18462240 + ... + 20032397.

It is an arithmetic number, because the mean of its divisors is an integer number (2798367709410).

Almost surely, 230221331121323 is an apocalyptic number.

30221331121323 is a deficient number, since it is larger than the sum of its proper divisors (14552552229237).

30221331121323 is a wasteful number, since it uses less digits than its factorization.

30221331121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38523723 (or 38523717 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 30221331121323 its reverse (32312113312203), we get a palindrome (62533444433526).

The spelling of 30221331121323 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 3 9 27 29077 87231 261693 785079 38494637 115483911 346451733 1039355199 1119308560049 3357925680147 10073777040441 30221331121323