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30231113013 = 3216320607439
BaseRepresentation
bin11100001001111010…
…100010110100110101
32220000212011122211100
4130021322202310311
5443403131104023
621515445400313
72120104135503
oct341172426465
986025148740
1030231113013
1111903747722
125a38409099
132b0a223b6a
14166b009673
15bbe07bc43
hex709ea2d35

30231113013 has 12 divisors (see below), whose sum is σ = 43935062080. Its totient is φ = 20030429736.

The previous prime is 30231112997. The next prime is 30231113021. The reversal of 30231113013 is 31031113203.

It is a happy number.

It is not a de Polignac number, because 30231113013 - 24 = 30231112997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231113093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10302253 + ... + 10305186.

Almost surely, 230231113013 is an apocalyptic number.

It is an amenable number.

30231113013 is a deficient number, since it is larger than the sum of its proper divisors (13703949067).

30231113013 is a wasteful number, since it uses less digits than its factorization.

30231113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607608 (or 20607605 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30231113013 its reverse (31031113203), we get a palindrome (61262226216).

The spelling of 30231113013 in words is "thirty billion, two hundred thirty-one million, one hundred thirteen thousand, thirteen".

Divisors: 1 3 9 163 489 1467 20607439 61822317 185466951 3359012557 10077037671 30231113013