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30113201231 = 1031732337253
BaseRepresentation
bin11100000010111000…
…101111110001001111
32212201122022010021022
4130002320233301033
5443132434414411
621500034224355
72114142662411
oct340270576117
985648263238
1030113201231
1111853131873
125a04a250bb
132abb97b589
1416594b49b1
15bb3a39edb
hex702e2fc4f

30113201231 has 16 divisors (see below), whose sum is σ = 30716801856. Its totient is φ = 29517148416.

The previous prime is 30113201227. The next prime is 30113201233. The reversal of 30113201231 is 13210231103.

It is a cyclic number.

It is not a de Polignac number, because 30113201231 - 22 = 30113201227 is a prime.

It is a super-2 number, since 2×301132012312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113201233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4148201 + ... + 4155453.

It is an arithmetic number, because the mean of its divisors is an integer number (1919800116).

Almost surely, 230113201231 is an apocalyptic number.

30113201231 is a deficient number, since it is larger than the sum of its proper divisors (603600625).

30113201231 is a wasteful number, since it uses less digits than its factorization.

30113201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30113201231 its reverse (13210231103), we get a palindrome (43323432334).

The spelling of 30113201231 in words is "thirty billion, one hundred thirteen million, two hundred one thousand, two hundred thirty-one".

Divisors: 1 103 173 233 7253 17819 23999 40309 747059 1254769 1689949 4151827 129241207 174064747 292361177 30113201231