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211400431341 = 31149912837823
BaseRepresentation
bin1100010011100001110…
…0101001011011101101
3202012122212012121021020
43010320130221123231
511430422002300331
6241041020524353
721162462006111
oct3047034513355
9665585177236
10211400431341
1181722039a90
1234b796b06b9
1316c201a9538
14a336229741
15577425ec96
hex31387296ed

211400431341 has 16 divisors (see below), whose sum is σ = 308107776000. Its totient is φ = 127864707120.

The previous prime is 211400431289. The next prime is 211400431357. The reversal of 211400431341 is 143134004112.

It is a de Polignac number, because none of the positive numbers 2k-211400431341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211400431441) 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, 6402445 + ... + 6435378.

It is an arithmetic number, because the mean of its divisors is an integer number (19256736000).

Almost surely, 2211400431341 is an apocalyptic number.

It is an amenable number.

211400431341 is a deficient number, since it is larger than the sum of its proper divisors (96707344659).

211400431341 is a wasteful number, since it uses less digits than its factorization.

211400431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838336.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211400431341 its reverse (143134004112), we get a palindrome (354534435453).

The spelling of 211400431341 in words is "two hundred eleven billion, four hundred million, four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 3 11 33 499 1497 5489 16467 12837823 38513469 141216053 423648159 6406073677 19218221031 70466810447 211400431341