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302011132131030 = 235721714898116373
BaseRepresentation
bin100010010101011010111001…
…0001111111011011011010110
31110121022222112001212021202110
41010222311302033323123112
5304041122244311143110
62550153555421251450
7120420404252515500
oct10452656217733326
91417288461767673
10302011132131030
11882592247460a3
1229a57945103b86
13cc696b207726a
1454815b994cd70
1524db008ccaa20
hex112ad723fb6d6

302011132131030 has 192 divisors, whose sum is σ = 893363442390720. Its totient is φ = 64926820417536.

The previous prime is 302011132131029. The next prime is 302011132131031. The reversal of 302011132131030 is 30131231110203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (302011132131029) and next prime (302011132131031).

It is a super-2 number, since 2×3020111321310302 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 302011132130988 and 302011132131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302011132131031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33151924 + ... + 41268296.

It is an arithmetic number, because the mean of its divisors is an integer number (4652934595785).

Almost surely, 2302011132131030 is an apocalyptic number.

302011132131030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 302011132131030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446681721195360).

302011132131030 is an abundant number, since it is smaller than the sum of its proper divisors (591352310259690).

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

302011132131030 is a wasteful number, since it uses less digits than its factorization.

302011132131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117903 (or 8117896 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 302011132131030 its reverse (30131231110203), we get a palindrome (332142363241233).

The spelling of 302011132131030 in words is "three hundred two trillion, eleven billion, one hundred thirty-two million, one hundred thirty-one thousand, thirty".