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123210032331 = 348784332671
BaseRepresentation
bin111001010111111100…
…0111110010011001011
3102210000201102011000210
41302233320332103023
54004313232013311
6132334002332203
711621154665151
oct1625770762313
9383021364023
10123210032331
114828693aa01
121ba6695a063
13b807259399
145d6b7c33d1
153311bd63a6
hex1cafe3e4cb

123210032331 has 8 divisors (see below), whose sum is σ = 164617375744. Its totient is φ = 81971355240.

The previous prime is 123210032311. The next prime is 123210032333. The reversal of 123210032331 is 133230012321.

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

It is not a de Polignac number, because 123210032331 - 213 = 123210024139 is a prime.

It is a super-2 number, since 2×1232100323312 (a number of 23 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 = 123210032298 and 123210032307.

It is not an unprimeable number, because it can be changed into a prime (123210032333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42164875 + ... + 42167796.

It is an arithmetic number, because the mean of its divisors is an integer number (20577171968).

Almost surely, 2123210032331 is an apocalyptic number.

123210032331 is a deficient number, since it is larger than the sum of its proper divisors (41407343413).

123210032331 is an equidigital number, since it uses as much as digits as its factorization.

123210032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84333161.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123210032331 its reverse (133230012321), we get a palindrome (256440044652).

The spelling of 123210032331 in words is "one hundred twenty-three billion, two hundred ten million, thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 487 1461 84332671 252998013 41070010777 123210032331