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31301354400211 = 7673591117716633
BaseRepresentation
bin1110001110111111010100…
…00111000010100111010011
311002211101021012120212112001
413013133222013002213103
513100320133211301321
6150323351012214431
76410306512313350
oct707375207024723
9132741235525461
1031301354400211
119a78914597165
1236164b430a417
13146092200a81c
147a2dca777627
15394347a87c91
hex1c77ea1c29d3

31301354400211 has 32 divisors (see below), whose sum is σ = 36413481415680. Its totient is φ = 26351726962176.

The previous prime is 31301354400191. The next prime is 31301354400257. The reversal of 31301354400211 is 11200445310313.

It is not a de Polignac number, because 31301354400211 - 29 = 31301354399699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31301354400211.

It is not an unprimeable number, because it can be changed into a prime (31301354430211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1881874351 + ... + 1881890983.

It is an arithmetic number, because the mean of its divisors is an integer number (1137921294240).

Almost surely, 231301354400211 is an apocalyptic number.

31301354400211 is a deficient number, since it is larger than the sum of its proper divisors (5112127015469).

31301354400211 is a wasteful number, since it uses less digits than its factorization.

31301354400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 31301354400211 its reverse (11200445310313), we get a palindrome (42501799710524).

The spelling of 31301354400211 in words is "thirty-one trillion, three hundred one billion, three hundred fifty-four million, four hundred thousand, two hundred eleven".

Divisors: 1 7 67 359 469 2513 11177 16633 24053 78239 116431 168371 748859 1114411 4012543 5242013 5971247 7800877 28087801 41798729 185907041 268840381 400073549 1301349287 1881882667 2800514843 12455771747 66740627719 87190402229 467184394033 4471622057173 31301354400211