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2103200310231 = 321372117031479
BaseRepresentation
bin11110100110110000100…
…000011110001111010111
321110001201122102210112100
4132212300200132033113
5233424323234411411
64250110305453143
7304644156445056
oct36466040361727
97401648383470
102103200310231
11740a64821379
1229b7456411b3
1312343c0c08b7
1473b1c97a39d
1539a98177456
hex1e9b081e3d7

2103200310231 has 12 divisors (see below), whose sum is σ = 3038177591280. Its totient is φ = 1402031268960.

The previous prime is 2103200310229. The next prime is 2103200310247. The reversal of 2103200310231 is 1320130023012.

2103200310231 is a `hidden beast` number, since 2 + 1 + 0 + 320 + 0 + 310 + 2 + 31 = 666.

It is not a de Polignac number, because 2103200310231 - 21 = 2103200310229 is a prime.

It is a super-2 number, since 2×21032003102312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103200310931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8392251 + ... + 8639228.

It is an arithmetic number, because the mean of its divisors is an integer number (253181465940).

Almost surely, 22103200310231 is an apocalyptic number.

2103200310231 is a deficient number, since it is larger than the sum of its proper divisors (934977281049).

2103200310231 is a wasteful number, since it uses less digits than its factorization.

2103200310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045206 (or 17045203 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2103200310231 its reverse (1320130023012), we get a palindrome (3423330333243).

The spelling of 2103200310231 in words is "two trillion, one hundred three billion, two hundred million, three hundred ten thousand, two hundred thirty-one".

Divisors: 1 3 9 13721 41163 123489 17031479 51094437 153283311 233688923359 701066770077 2103200310231