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12312303313 = 591256916603
BaseRepresentation
bin10110111011101111…
…01101011011010001
31011210001202210221211
423131313231123101
5200203422201223
65353423220121
7614052565012
oct133567553321
934701683854
1012312303313
115248a79792
122477447641
131212a7c69b
1484b2b5009
154c0daed0d
hex2ddded6d1

12312303313 has 8 divisors (see below), whose sum is σ = 12522736800. Its totient is φ = 12101928288.

The previous prime is 12312303271. The next prime is 12312303317. The reversal of 12312303313 is 31330321321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12312303313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312303317) 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, 733270 + ... + 749872.

It is an arithmetic number, because the mean of its divisors is an integer number (1565342100).

Almost surely, 212312303313 is an apocalyptic number.

It is an amenable number.

12312303313 is a deficient number, since it is larger than the sum of its proper divisors (210433487).

12312303313 is a wasteful number, since it uses less digits than its factorization.

12312303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29231.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12312303313 its reverse (31330321321), we get a palindrome (43642624634).

The spelling of 12312303313 in words is "twelve billion, three hundred twelve million, three hundred three thousand, three hundred thirteen".

Divisors: 1 59 12569 16603 741571 979577 208683107 12312303313