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12023103120331 = 18316566413501
BaseRepresentation
bin1010111011110101100011…
…0010100110001111001011
31120120101201201200012212211
42232331120302212033023
53033441303344322311
641323200510045551
72350432463211322
oct256753062461713
946511651605784
1012023103120331
113915a732a7086
1214221a8aa98b7
13692a09c458a4
142d7cc80710b9
1515cb362ee821
hexaef58ca63cb

12023103120331 has 4 divisors (see below), whose sum is σ = 12029669535664. Its totient is φ = 12016536705000.

The previous prime is 12023103120317. The next prime is 12023103120337. The reversal of 12023103120331 is 13302130132021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12023103120331 is a prime.

It is a super-2 number, since 2×120231031203312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023103120337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283204920 + ... + 3283208581.

It is an arithmetic number, because the mean of its divisors is an integer number (3007417383916).

Almost surely, 212023103120331 is an apocalyptic number.

12023103120331 is a deficient number, since it is larger than the sum of its proper divisors (6566415333).

12023103120331 is an equidigital number, since it uses as much as digits as its factorization.

12023103120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566415332.

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

Adding to 12023103120331 its reverse (13302130132021), we get a palindrome (25325233252352).

The spelling of 12023103120331 in words is "twelve trillion, twenty-three billion, one hundred three million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 1831 6566413501 12023103120331