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231303310132330 = 2523130331013233
BaseRepresentation
bin110100100101111001111111…
…101000101100010001101010
31010022222101021101021102012101
4310211321333220230101222
5220304133134343213310
62135535135044004014
766502053436241122
oct6445717750542152
91108871241242171
10231303310132330
1167778201560a47
1221b3816a69060a
139c0aa68514737
1441191d6011c82
151bb1ae369343a
hexd25e7fa2c46a

231303310132330 has 8 divisors (see below), whose sum is σ = 416345958238212. Its totient is φ = 92521324052928.

The previous prime is 231303310132289. The next prime is 231303310132379. The reversal of 231303310132330 is 33231013303132.

It can be written as a sum of positive squares in 2 ways, for example, as 205960070013481 + 25343240118849 = 14351309^2 + 5034207^2 .

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

It is a super-2 number, since 2×2313033101323302 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11565165506607 + ... + 11565165506626.

Almost surely, 2231303310132330 is an apocalyptic number.

231303310132330 is a deficient number, since it is larger than the sum of its proper divisors (185042648105882).

231303310132330 is a wasteful number, since it uses less digits than its factorization.

231303310132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130331013240.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 231303310132330 its reverse (33231013303132), we get a palindrome (264534323435462).

The spelling of 231303310132330 in words is "two hundred thirty-one trillion, three hundred three billion, three hundred ten million, one hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 23130331013233 46260662026466 115651655066165 231303310132330