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331213140001013 = 5329321328684397
BaseRepresentation
bin100101101001111001001000…
…1100011100000000011110101
31121102201200000012120200001212
41023103302101203200003311
5321403044002320013023
63132233114351531205
7126523234242063224
oct11323622143400365
91542650005520055
10331213140001013
1196597781904936
12311933aa529b05
13112a735a50b39a
145bb0b314bacbb
152845931bcbe78
hex12d3c918e00f5

331213140001013 has 8 divisors (see below), whose sum is σ = 338614193502648. Its totient is φ = 323854743868864.

The previous prime is 331213140000863. The next prime is 331213140001031. The reversal of 331213140001013 is 310100041312133.

It can be written as a sum of positive squares in 4 ways, for example, as 52018381990129 + 279194758010884 = 7212377^2 + 16709122^2 .

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-331213140001013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331213140001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213140001613) 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, 10664326670 + ... + 10664357727.

It is an arithmetic number, because the mean of its divisors is an integer number (42326774187831).

Almost surely, 2331213140001013 is an apocalyptic number.

It is an amenable number.

331213140001013 is a deficient number, since it is larger than the sum of its proper divisors (7401053501635).

331213140001013 is a wasteful number, since it uses less digits than its factorization.

331213140001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328684743.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 331213140001013 its reverse (310100041312133), we get a palindrome (641313181313146).

The spelling of 331213140001013 in words is "three hundred thirty-one trillion, two hundred thirteen billion, one hundred forty million, one thousand, thirteen".

Divisors: 1 53 293 15529 21328684397 1130420273041 6249304528321 331213140001013