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313301302021 = 2056315236167
BaseRepresentation
bin1001000111100100011…
…01100111101100000101
31002221200111200011212201
410203302031213230011
520113120113131041
6355532330114501
731430620061461
oct4436215475405
91087614604781
10313301302021
11110963465394
1250877b7ba31
132370c765c16
14112418dd4a1
15823a2ca631
hex48f2367b05

313301302021 has 4 divisors (see below), whose sum is σ = 313316558752. Its totient is φ = 313286045292.

The previous prime is 313301302007. The next prime is 313301302031. The reversal of 313301302021 is 120203103313.

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 313301302021 - 213 = 313301293829 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 313301302021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313301302031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7597521 + ... + 7638646.

It is an arithmetic number, because the mean of its divisors is an integer number (78329139688).

Almost surely, 2313301302021 is an apocalyptic number.

It is an amenable number.

313301302021 is a deficient number, since it is larger than the sum of its proper divisors (15256731).

313301302021 is a wasteful number, since it uses less digits than its factorization.

313301302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256730.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 313301302021 its reverse (120203103313), we get a palindrome (433504405334).

The spelling of 313301302021 in words is "three hundred thirteen billion, three hundred one million, three hundred two thousand, twenty-one".

Divisors: 1 20563 15236167 313301302021