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30211230132121 = 7121291275715667
BaseRepresentation
bin1101101111010000110011…
…01000111110011110011001
310221222011110120110021010211
412313220121220332132121
512424440044403211441
6144130503022011121
76235455306032203
oct667503150763631
9127864416407124
1030211230132121
119698568893785
12347b17ba16aa1
1313b1ba32601cc
14766334b25773
15375ce40e9a81
hex1b7a19a3e799

30211230132121 has 16 divisors (see below), whose sum is σ = 30655489875840. Its totient is φ = 29767495484160.

The previous prime is 30211230132113. The next prime is 30211230132133. The reversal of 30211230132121 is 12123103211203.

It is a cyclic number.

It is not a de Polignac number, because 30211230132121 - 23 = 30211230132113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30211230132092 and 30211230132101.

It is not an unprimeable number, because it can be changed into a prime (30211230132221) 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, 1928327530 + ... + 1928343196.

It is an arithmetic number, because the mean of its divisors is an integer number (1915968117240).

Almost surely, 230211230132121 is an apocalyptic number.

It is an amenable number.

30211230132121 is a deficient number, since it is larger than the sum of its proper divisors (444259743719).

30211230132121 is a wasteful number, since it uses less digits than its factorization.

30211230132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30624.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30211230132121 its reverse (12123103211203), we get a palindrome (42334333343324).

The spelling of 30211230132121 in words is "thirty trillion, two hundred eleven billion, two hundred thirty million, one hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 71 2129 12757 15667 151159 905747 1112357 27159653 33355043 199863919 1928335363 2368208053 14190338249 425510283551 30211230132121