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2231030322313 = 13171617717101
BaseRepresentation
bin100000011101110011110…
…001010001010010001001
321220021200100011020100021
4200131303301101102021
5243023122230303223
64424530550340441
7320121003562042
oct40356361212211
97807610136307
102231030322313
117901a14aa461
1230047b65a721
131325015413c0
1479da7b7b8c9
153d07a74b65d
hex20773c51489

2231030322313 has 4 divisors (see below), whose sum is σ = 2402648039428. Its totient is φ = 2059412605200.

The previous prime is 2231030322299. The next prime is 2231030322331. The reversal of 2231030322313 is 3132230301322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129666968649 + 2101363353664 = 360093^2 + 1449608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2231030322313 is a prime.

It is a super-3 number, since 3×22310303223133 (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231030322373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85808858538 + ... + 85808858563.

It is an arithmetic number, because the mean of its divisors is an integer number (600662009857).

Almost surely, 22231030322313 is an apocalyptic number.

It is an amenable number.

2231030322313 is a deficient number, since it is larger than the sum of its proper divisors (171617717115).

2231030322313 is a wasteful number, since it uses less digits than its factorization.

2231030322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171617717114.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2231030322313 its reverse (3132230301322), we get a palindrome (5363260623635).

The spelling of 2231030322313 in words is "two trillion, two hundred thirty-one billion, thirty million, three hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 13 171617717101 2231030322313