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2103231213213 = 31358791872241
BaseRepresentation
bin11110100110110010010…
…110010110111010011101
321110001210210120211110020
4132212302112112322131
5233424404142310323
64250113332102353
7304645013224164
oct36466226267235
97401723524406
102103231213213
11740a80209229
1229b753a649b9
131234456208a0
1473b22b023db
1539a9ac2dae3
hex1e9b2596e9d

2103231213213 has 16 divisors (see below), whose sum is σ = 3025169184576. Its totient is φ = 1292091183360.

The previous prime is 2103231213199. The next prime is 2103231213233. The reversal of 2103231213213 is 3123121323012.

It is not a de Polignac number, because 2103231213213 - 24 = 2103231213197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103231213233) 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, 45913228 + ... + 45959013.

It is an arithmetic number, because the mean of its divisors is an integer number (189073074036).

Almost surely, 22103231213213 is an apocalyptic number.

It is an amenable number.

2103231213213 is a deficient number, since it is larger than the sum of its proper divisors (921937971363).

2103231213213 is a wasteful number, since it uses less digits than its factorization.

2103231213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91872844.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2103231213213 its reverse (3123121323012), we get a palindrome (5226352536225).

The spelling of 2103231213213 in words is "two trillion, one hundred three billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 13 39 587 1761 7631 22893 91872241 275616723 1194339133 3583017399 53929005467 161787016401 701077071071 2103231213213