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231232300121 = 1938331775773
BaseRepresentation
bin1101011101011010000…
…1001110010001011001
3211002211222100220211202
43113112201032101121
512242030432100441
6254120542403545
722464103056404
oct3272641162131
9732758326752
10231232300121
118a079672589
12389932905b5
1318a60aa7634
14b298066d3b
15603536919b
hex35d684e459

231232300121 has 8 divisors (see below), whose sum is σ = 244037944320. Its totient is φ = 218490208272.

The previous prime is 231232300099. The next prime is 231232300127. The reversal of 231232300121 is 121003232132.

231232300121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231232300121 is a prime.

It is a super-2 number, since 2×2312323001212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231232300093 and 231232300102.

It is not an unprimeable number, because it can be changed into a prime (231232300127) 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 7 ways as a sum of consecutive naturals, for example, 15880610 + ... + 15895163.

It is an arithmetic number, because the mean of its divisors is an integer number (30504743040).

Almost surely, 2231232300121 is an apocalyptic number.

It is an amenable number.

231232300121 is a deficient number, since it is larger than the sum of its proper divisors (12805644199).

231232300121 is a wasteful number, since it uses less digits than its factorization.

231232300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31776175.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231232300121 its reverse (121003232132), we get a palindrome (352235532253).

The spelling of 231232300121 in words is "two hundred thirty-one billion, two hundred thirty-two million, three hundred thousand, one hundred twenty-one".

Divisors: 1 19 383 7277 31775773 603739687 12170121059 231232300121