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31313310300311 = 1331714801227947
BaseRepresentation
bin1110001111010101100101…
…01111001011100010010111
311002212112010102201112011212
413013222302233023202113
513101014124414102221
6150333045224452035
76411212006635064
oct707526257134227
9132775112645155
1031313310300311
119a8299a367936
12361889031a01b
131461aa8ca1620
147a3802595c6b
153947e74e6b5b
hex1c7ab2bcb897

31313310300311 has 32 divisors (see below), whose sum is σ = 35307620683776. Its totient is φ = 27572348160000.

The previous prime is 31313310300227. The next prime is 31313310300331. The reversal of 31313310300311 is 11300301331313.

It is a cyclic number.

It is not a de Polignac number, because 31313310300311 - 222 = 31313306106007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313310300331) 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, 137257040 + ... + 137484986.

It is an arithmetic number, because the mean of its divisors is an integer number (1103363146368).

Almost surely, 231313310300311 is an apocalyptic number.

31313310300311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31313310300311 is a deficient number, since it is larger than the sum of its proper divisors (3994310383465).

31313310300311 is a wasteful number, since it uses less digits than its factorization.

31313310300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232863.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 31313310300311 its reverse (11300301331313), we get a palindrome (42613611631624).

The spelling of 31313310300311 in words is "thirty-one trillion, three hundred thirteen billion, three hundred ten million, three hundred thousand, three hundred eleven".

Divisors: 1 13 31 71 403 923 2201 4801 28613 62413 148831 227947 340871 1934803 2963311 4431323 7066357 10567001 16184237 91862641 137371013 210395081 501711347 1094373547 6522247511 14226856111 33925579957 77700521837 441032539441 1010106783881 2408716176947 31313310300311