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30231311131122 = 23149224327135557
BaseRepresentation
bin1101101111110110001101…
…00011111010000111110010
310222001002022001101201010120
412313323012203322013302
512430302211122143442
6144144023403311110
76240066033512613
oct667730643720762
9128032261351116
1030231311131122
1196a6033006522
123483044b1b496
1313b3a53657b3a
147672bba93c0a
153765bc0154ec
hex1b7ec68fa1f2

30231311131122 has 64 divisors (see below), whose sum is σ = 60928956950400. Its totient is φ = 9999522031104.

The previous prime is 30231311131121. The next prime is 30231311131123. The reversal of 30231311131122 is 22113111313203.

It is an interprime number because it is at equal distance from previous prime (30231311131121) and next prime (30231311131123).

It is a junction number, because it is equal to n+sod(n) for n = 30231311131092 and 30231311131101.

It is not an unprimeable number, because it can be changed into a prime (30231311131121) 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, 5440218768 + ... + 5440224324.

It is an arithmetic number, because the mean of its divisors is an integer number (952014952350).

Almost surely, 230231311131122 is an apocalyptic number.

30231311131122 is an abundant number, since it is smaller than the sum of its proper divisors (30697645819278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231311131122 is a wasteful number, since it uses less digits than its factorization.

30231311131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 30231311131122 its reverse (22113111313203), we get a palindrome (52344422444325).

The spelling of 30231311131122 in words is "thirty trillion, two hundred thirty-one billion, three hundred eleven million, one hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 149 298 447 894 2243 2713 4486 5426 5557 6729 8139 11114 13458 16278 16671 33342 334207 404237 668414 808474 827993 1002621 1212711 1655986 2005242 2425422 2483979 4967958 6085259 12170518 12464351 15076141 18255777 24928702 30152282 36511554 37393053 45228423 74786106 90456846 906703591 1813407182 1857188299 2246345009 2720110773 3714376598 4492690018 5440221546 5571564897 6739035027 11143129794 13478070054 33815784263 67631568526 101447352789 202894705578 5038551855187 10077103710374 15115655565561 30231311131122