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12313312003 = 314134727919
BaseRepresentation
bin10110111011110111…
…00011101100000011
31011210010200001121201
423131323203230003
5200204201441003
65353501002031
7614064265546
oct133573435403
934703601551
1012313312003
1152495a8613
122477853317
131213043845
1484b49885d
154c100db1d
hex2ddee3b03

12313312003 has 16 divisors (see below), whose sum is σ = 13058519040. Its totient is φ = 11591553600.

The previous prime is 12313311971. The next prime is 12313312013. The reversal of 12313312003 is 30021331321.

It is a cyclic number.

It is not a de Polignac number, because 12313312003 - 25 = 12313311971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313312013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427078 + ... + 454996.

It is an arithmetic number, because the mean of its divisors is an integer number (816157440).

Almost surely, 212313312003 is an apocalyptic number.

12313312003 is a deficient number, since it is larger than the sum of its proper divisors (745207037).

12313312003 is a wasteful number, since it uses less digits than its factorization.

12313312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28338.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12313312003 its reverse (30021331321), we get a palindrome (42334643324).

The spelling of 12313312003 in words is "twelve billion, three hundred thirteen million, three hundred twelve thousand, three".

Divisors: 1 31 41 347 1271 10757 14227 27919 441037 865489 1144679 9687893 35485049 300324683 397203613 12313312003