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31030103330133 = 3671310911776537
BaseRepresentation
bin1110000111000110000100…
…10010010100110101010101
311001212110010020211210122020
413003203002102110311111
513031344122423031013
6145555011020323353
76351564613256145
oct703430222246525
9131773106753566
1031030103330133
11998387a416486
123591a129a3559
13144118430b36b
14793c17858925
1538c26e27a623
hex1c38c2494d55

31030103330133 has 16 divisors (see below), whose sum is σ = 41994192384960. Its totient is φ = 20376422073216.

The previous prime is 31030103330119. The next prime is 31030103330141. The reversal of 31030103330133 is 33103330103013.

It is not a de Polignac number, because 31030103330133 - 24 = 31030103330117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030103330333) 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, 3253360 + ... + 8523177.

It is an arithmetic number, because the mean of its divisors is an integer number (2624637024060).

Almost surely, 231030103330133 is an apocalyptic number.

It is an amenable number.

31030103330133 is a deficient number, since it is larger than the sum of its proper divisors (10964089054827).

31030103330133 is a wasteful number, since it uses less digits than its factorization.

31030103330133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789716.

The product of its (nonzero) digits is 2187, while the sum is 24.

Adding to 31030103330133 its reverse (33103330103013), we get a palindrome (64133433433146).

The spelling of 31030103330133 in words is "thirty-one trillion, thirty billion, one hundred three million, three hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3 67 201 13109 39327 878303 2634909 11776537 35329611 789027979 2367083937 154378623533 463135870599 10343367776711 31030103330133