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12313103212213 = 83962315416257
BaseRepresentation
bin1011001100101101111000…
…1001001001111010110101
31121121010021100000021112121
42303023132021021322311
53103214213410242323
642104321142315541
72410410114263626
oct263133611117265
947533240007477
1012313103212213
113a17a59841401
12146a441428bb1
136b41750b9aab
14307d59075a4d
1516545ab1ca5d
hexb32de249eb5

12313103212213 has 8 divisors (see below), whose sum is σ = 12462749627328. Its totient is φ = 12163487649024.

The previous prime is 12313103212061. The next prime is 12313103212247. The reversal of 12313103212213 is 31221230131321.

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 12313103212213 - 29 = 12313103211701 is a prime.

It is a super-3 number, since 3×123131032122133 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313103212253) 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, 6909420 + ... + 8506837.

It is an arithmetic number, because the mean of its divisors is an integer number (1557843703416).

Almost surely, 212313103212213 is an apocalyptic number.

It is an amenable number.

12313103212213 is a deficient number, since it is larger than the sum of its proper divisors (149646415115).

12313103212213 is an equidigital number, since it uses as much as digits as its factorization.

12313103212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425963.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12313103212213 its reverse (31221230131321), we get a palindrome (43534333343534).

The spelling of 12313103212213 in words is "twelve trillion, three hundred thirteen billion, one hundred three million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 83 9623 798709 15416257 1279549331 148350641111 12313103212213