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2331312310133 = 31323333192577
BaseRepresentation
bin100001111011001101000…
…010101100011101110101
322020212112011102001011022
4201323031002230131311
5301144011422411013
64542553505350525
7330301043450342
oct41731502543565
98225464361138
102331312310133
11819782027144
123179a7938445
1313bac35b3231
1480b9c4437c9
15409995d8008
hex21ecd0ac775

2331312310133 has 8 divisors (see below), whose sum is σ = 2339763794328. Its totient is φ = 2322867216384.

The previous prime is 2331312310121. The next prime is 2331312310139. The reversal of 2331312310133 is 3310132131332.

It can be written as a sum of positive squares in 4 ways, for example, as 2462342884 + 2328849967249 = 49622^2 + 1526057^2 .

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 2331312310133 - 26 = 2331312310069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331312310139) 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, 866060 + ... + 2326517.

It is an arithmetic number, because the mean of its divisors is an integer number (292470474291).

Almost surely, 22331312310133 is an apocalyptic number.

It is an amenable number.

2331312310133 is a deficient number, since it is larger than the sum of its proper divisors (8451484195).

2331312310133 is a wasteful number, since it uses less digits than its factorization.

2331312310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195223.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 2331312310133 its reverse (3310132131332), we get a palindrome (5641444441465).

The spelling of 2331312310133 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, three hundred ten thousand, one hundred thirty-three".

Divisors: 1 313 2333 730229 3192577 999276601 7448282141 2331312310133