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331213032132311 = 7192490323549867
BaseRepresentation
bin100101101001111001000101…
…1001000000000111011010111
31121102201122201200121101000202
41023103302023020000323113
5321403043242211213221
63132233055535531115
7126523231462156220
oct11323621310007327
91542648650541022
10331213032132311
1196597726a2954a
123119337a389a9b
13112a7341071154
145bb0b2103c247
1528459274c0d0b
hex12d3c8b200ed7

331213032132311 has 8 divisors (see below), whose sum is σ = 398451767978880. Its totient is φ = 268954943385528.

The previous prime is 331213032132299. The next prime is 331213032132371. The reversal of 331213032132311 is 113231230312133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331213032132311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213032132371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245161774801 + ... + 1245161775066.

It is an arithmetic number, because the mean of its divisors is an integer number (49806470997360).

Almost surely, 2331213032132311 is an apocalyptic number.

331213032132311 is a deficient number, since it is larger than the sum of its proper divisors (67238735846569).

331213032132311 is a wasteful number, since it uses less digits than its factorization.

331213032132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490323549893.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 331213032132311 its reverse (113231230312133), we get a palindrome (444444262444444).

The spelling of 331213032132311 in words is "three hundred thirty-one trillion, two hundred thirteen billion, thirty-two million, one hundred thirty-two thousand, three hundred eleven".

Divisors: 1 7 19 133 2490323549867 17432264849069 47316147447473 331213032132311