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231113120230030 = 25145115927851153
BaseRepresentation
bin110100100011001000110111…
…011011110010101010001110
31010022022012100201102022211211
4310203020313123302222032
5220243024132234330110
62135311522434205034
766452241365606053
oct6443106733625216
91108265321368754
10231113120230030
1167704584299405
1221b0733042377a
139bc5b487528cc
14410dd12b7d02a
151babbb15b998a
hexd232376f2a8e

231113120230030 has 16 divisors (see below), whose sum is σ = 416290317760944. Its totient is φ = 92381536681600.

The previous prime is 231113120230019. The next prime is 231113120230051. The reversal of 231113120230030 is 30032021311132.

It is a super-2 number, since 2×2311131202300302 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231113120229983 and 231113120230010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7963911067 + ... + 7963940086.

It is an arithmetic number, because the mean of its divisors is an integer number (26018144860059).

Almost surely, 2231113120230030 is an apocalyptic number.

231113120230030 is a deficient number, since it is larger than the sum of its proper divisors (185177197530914).

231113120230030 is a wasteful number, since it uses less digits than its factorization.

231113120230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15927852611.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231113120230030 its reverse (30032021311132), we get a palindrome (261145141541162).

The spelling of 231113120230030 in words is "two hundred thirty-one trillion, one hundred thirteen billion, one hundred twenty million, two hundred thirty thousand, thirty".

Divisors: 1 2 5 10 1451 2902 7255 14510 15927851153 31855702306 79639255765 159278511530 23111312023003 46222624046006 115556560115015 231113120230030