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31313310300313 = 263119062016351
BaseRepresentation
bin1110001111010101100101…
…01111001011100010011001
311002212112010102201112011221
413013222302233023202121
513101014124414102223
6150333045224452041
76411212006635066
oct707526257134231
9132775112645157
1031313310300313
119a8299a367938
12361889031a021
131461aa8ca1622
147a3802595c6d
153947e74e6b5d
hex1c7ab2bcb899

31313310300313 has 4 divisors (see below), whose sum is σ = 31432372316928. Its totient is φ = 31194248283700.

The previous prime is 31313310300227. The next prime is 31313310300331. The reversal of 31313310300313 is 31300301331313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31313310300313 - 217 = 31313310169241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313310300353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59531007913 + ... + 59531008438.

It is an arithmetic number, because the mean of its divisors is an integer number (7858093079232).

Almost surely, 231313310300313 is an apocalyptic number.

It is an amenable number.

31313310300313 is a deficient number, since it is larger than the sum of its proper divisors (119062016615).

31313310300313 is a wasteful number, since it uses less digits than its factorization.

31313310300313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119062016614.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 31313310300313 its reverse (31300301331313), we get a palindrome (62613611631626).

The spelling of 31313310300313 in words is "thirty-one trillion, three hundred thirteen billion, three hundred ten million, three hundred thousand, three hundred thirteen".

Divisors: 1 263 119062016351 31313310300313