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20131341 = 331121577
BaseRepresentation
bin100110011001…
…0111000001101
31101212210000020
41030302320031
520123200331
61555252353
7333053646
oct114627015
941783006
1020131341
11103aaa7a
1268aa0b9
13422b149
1429606cd
151b79c96
hex1332e0d

20131341 has 8 divisors (see below), whose sum is σ = 26929344. Its totient is φ = 13377120.

The previous prime is 20131339. The next prime is 20131373. The reversal of 20131341 is 14313102.

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

It is not a de Polignac number, because 20131341 - 21 = 20131339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20131341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131381) 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, 9856 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (3366168).

Almost surely, 220131341 is an apocalyptic number.

It is an amenable number.

20131341 is a deficient number, since it is larger than the sum of its proper divisors (6798003).

20131341 is a wasteful number, since it uses less digits than its factorization.

20131341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21891.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20131341 is about 4486.7962957995. The cubic root of 20131341 is about 272.0346562315.

Adding to 20131341 its reverse (14313102), we get a palindrome (34444443).

The spelling of 20131341 in words is "twenty million, one hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 3 311 933 21577 64731 6710447 20131341