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10021321130031 = 34592096949389
BaseRepresentation
bin1001000111010100010101…
…0010010100000000101111
31022111000210002200212210000
42101311011102110000233
52303142131202130111
633151421550515343
72053005452065251
oct221650522240057
938430702625700
1010021321130031
113214022582642
12115a248205b53
135790114589b3
1426906aa75cd1
15125a26b74c56
hex91d4549402f

10021321130031 has 20 divisors (see below), whose sum is σ = 15223852571400. Its totient is φ = 6567645483216.

The previous prime is 10021321130021. The next prime is 10021321130033. The reversal of 10021321130031 is 13003112312001.

10021321130031 is a `hidden beast` number, since 10 + 0 + 2 + 1 + 321 + 1 + 300 + 31 = 666.

It is not a de Polignac number, because 10021321130031 - 226 = 10021254021167 is a prime.

It is a super-2 number, since 2×100213211300312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021321129986 and 10021321130013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021321130033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1048469916 + ... + 1048479473.

It is an arithmetic number, because the mean of its divisors is an integer number (761192628570).

Almost surely, 210021321130031 is an apocalyptic number.

10021321130031 is a deficient number, since it is larger than the sum of its proper divisors (5202531441369).

10021321130031 is an equidigital number, since it uses as much as digits as its factorization.

10021321130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096949460 (or 2096949451 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10021321130031 its reverse (13003112312001), we get a palindrome (23024433442032).

The spelling of 10021321130031 in words is "ten trillion, twenty-one billion, three hundred twenty-one million, one hundred thirty thousand, thirty-one".

Divisors: 1 3 9 27 59 81 177 531 1593 4779 2096949389 6290848167 18872544501 56617633503 123720013951 169852900509 371160041853 1113480125559 3340440376677 10021321130031