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30120131030331 = 341932597352537
BaseRepresentation
bin1101101100100111000111…
…01101011110110100111011
310221122110022201102101210210
412312103203231132310323
512421442012020432311
6144020555220042203
76226051632323226
oct666234355366473
9127573281371723
1030120131030331
11966296a811201
123465596b33363
1313a6415813054
14761b71c805bd
153737615133a6
hex1b64e3b5ed3b

30120131030331 has 16 divisors (see below), whose sum is σ = 40268380118400. Its totient is φ = 20026014072768.

The previous prime is 30120131030293. The next prime is 30120131030357. The reversal of 30120131030331 is 13303013102103.

It is not a de Polignac number, because 30120131030331 - 26 = 30120131030267 is a prime.

It is a super-2 number, since 2×301201310303312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30120131030298 and 30120131030307.

It is not an unprimeable number, because it can be changed into a prime (30120131030531) 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, 420295 + ... + 7772831.

It is an arithmetic number, because the mean of its divisors is an integer number (2516773757400).

Almost surely, 230120131030331 is an apocalyptic number.

30120131030331 is a deficient number, since it is larger than the sum of its proper divisors (10148249088069).

30120131030331 is a wasteful number, since it uses less digits than its factorization.

30120131030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356218.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30120131030331 its reverse (13303013102103), we get a palindrome (43423144132434).

The spelling of 30120131030331 in words is "thirty trillion, one hundred twenty billion, one hundred thirty-one million, thirty thousand, three hundred thirty-one".

Divisors: 1 3 419 1257 3259 9777 1365521 4096563 7352537 22057611 3080713003 9242139009 23961918083 71885754249 10040043676777 30120131030331