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300311313021 = 3328001397223
BaseRepresentation
bin1000101111010111111…
…00101111101001111101
31001201011012201100221000
410113223330233221331
514410014144004041
6345543333400513
730460665020436
oct4275374575175
91051135640830
10300311313021
111063a79a8395
124a251799139
132241c48aab5
141076c61c48d
157c29ba4bb6
hex45ebf2fa7d

300311313021 has 16 divisors (see below), whose sum is σ = 444922657920. Its totient is φ = 200199888000.

The previous prime is 300311312981. The next prime is 300311313023. The reversal of 300311313021 is 120313113003.

It is a happy number.

300311313021 is a `hidden beast` number, since 300 + 31 + 1 + 31 + 302 + 1 = 666.

It is not a de Polignac number, because 300311313021 - 27 = 300311312893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300311312985 and 300311313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300311313023) 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, 557416 + ... + 954638.

It is an arithmetic number, because the mean of its divisors is an integer number (27807666120).

Almost surely, 2300311313021 is an apocalyptic number.

It is an amenable number.

300311313021 is a deficient number, since it is larger than the sum of its proper divisors (144611344899).

300311313021 is a wasteful number, since it uses less digits than its factorization.

300311313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425233 (or 425227 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 300311313021 its reverse (120313113003), we get a palindrome (420624426024).

The spelling of 300311313021 in words is "three hundred billion, three hundred eleven million, three hundred thirteen thousand, twenty-one".

Divisors: 1 3 9 27 28001 84003 252009 397223 756027 1191669 3575007 10725021 11122641223 33367923669 100103771007 300311313021