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12303212301031 = 107270191425563
BaseRepresentation
bin1011001100001001000010…
…0110010100101011100111
31121120011202000111221010211
42303002100212110223213
53103033434322113111
642100003454000251
72406610033030111
oct263022046245347
947504660457124
1012303212301031
113a13843666443
121468540aa6087
136b3259ba6022
1430769b5cc3b1
1516507c60c521
hexb3090994ae7

12303212301031 has 8 divisors (see below), whose sum is σ = 12418270735104. Its totient is φ = 12188155258680.

The previous prime is 12303212301001. The next prime is 12303212301071. The reversal of 12303212301031 is 13010321230321.

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

It is a cyclic number.

It is not a de Polignac number, because 12303212301031 - 219 = 12303211776743 is a prime.

It is a super-2 number, since 2×123032123010312 (a number of 27 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 = 12303212300993 and 12303212301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303212301001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28697656 + ... + 29123218.

It is an arithmetic number, because the mean of its divisors is an integer number (1552283841888).

Almost surely, 212303212301031 is an apocalyptic number.

12303212301031 is a deficient number, since it is larger than the sum of its proper divisors (115058434073).

12303212301031 is a wasteful number, since it uses less digits than its factorization.

12303212301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695861.

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

Adding to 12303212301031 its reverse (13010321230321), we get a palindrome (25313533531352).

The spelling of 12303212301031 in words is "twelve trillion, three hundred three billion, two hundred twelve million, three hundred one thousand, thirty-one".

Divisors: 1 107 270191 425563 28910437 45535241 114983292533 12303212301031