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30021010331311 = 372879281826557
BaseRepresentation
bin1101101001101110011111…
…01010000001011010101111
310221021222110211100011202001
412310313033222001122233
512413331012121100221
6143503243423313131
76215642423303356
oct664671752013257
9127258424304661
1030021010331311
11962492575aa2a
12344a33374b7a7
131399c7a23065c
1475b04b90c99d
15370dae5b7391
hex1b4dcfa816af

30021010331311 has 8 divisors (see below), whose sum is σ = 30843098507520. Its totient is φ = 29199485814048.

The previous prime is 30021010331303. The next prime is 30021010331321. The reversal of 30021010331311 is 11313301012003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30021010331311 - 23 = 30021010331303 is a prime.

It is a super-2 number, since 2×300210103313112 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021010331321) 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, 140806756 + ... + 141019801.

It is an arithmetic number, because the mean of its divisors is an integer number (3855387313440).

Almost surely, 230021010331311 is an apocalyptic number.

30021010331311 is a deficient number, since it is larger than the sum of its proper divisors (822088176209).

30021010331311 is a wasteful number, since it uses less digits than its factorization.

30021010331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281829473.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 30021010331311 its reverse (11313301012003), we get a palindrome (41334311343314).

The spelling of 30021010331311 in words is "thirty trillion, twenty-one billion, ten million, three hundred thirty-one thousand, three hundred eleven".

Divisors: 1 37 2879 106523 281826557 10427582609 811378657603 30021010331311