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11310230331 = 321553809203
BaseRepresentation
bin10101000100010010…
…00110101100111011
31002012020012020020200
422202021012230323
5141130404332311
65110145253243
7550164241311
oct124211065473
932166166220
1011310230331
11488436a4a4
122237934223
1310b3297aaa
147941880b1
15462e1e556
hex2a2246b3b

11310230331 has 12 divisors (see below), whose sum is σ = 16347539208. Its totient is φ = 7535289024.

The previous prime is 11310230317. The next prime is 11310230363. The reversal of 11310230331 is 13303201311.

It is a happy number.

11310230331 is a `hidden beast` number, since 1 + 1 + 310 + 23 + 0 + 331 = 666.

It is not a de Polignac number, because 11310230331 - 25 = 11310230299 is a prime.

It is a super-2 number, since 2×113102303312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11310230311) 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, 390625 + ... + 418578.

It is an arithmetic number, because the mean of its divisors is an integer number (1362294934).

Almost surely, 211310230331 is an apocalyptic number.

11310230331 is a deficient number, since it is larger than the sum of its proper divisors (5037308877).

11310230331 is a wasteful number, since it uses less digits than its factorization.

11310230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810762 (or 810759 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11310230331 its reverse (13303201311), we get a palindrome (24613431642).

The spelling of 11310230331 in words is "eleven billion, three hundred ten million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 3 9 1553 4659 13977 809203 2427609 7282827 1256692259 3770076777 11310230331