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313003311013 = 3071019554759
BaseRepresentation
bin1001000111000000111…
…00110111111110100101
31002220220201221200001201
410203200130313332211
520112012321423023
6355443003122501
731420341150151
oct4434034677645
91086821850051
10313003311013
11110820233328
12507b4213431
1323692abc693
14112140d0061
15821e066bad
hex48e0737fa5

313003311013 has 4 divisors (see below), whose sum is σ = 314022866080. Its totient is φ = 311983755948.

The previous prime is 313003311001. The next prime is 313003311121. The reversal of 313003311013 is 310113300313.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310113300313 = 378381440549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313003311013 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 (313003311613) 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, 509777073 + ... + 509777686.

It is an arithmetic number, because the mean of its divisors is an integer number (78505716520).

Almost surely, 2313003311013 is an apocalyptic number.

It is an amenable number.

313003311013 is a deficient number, since it is larger than the sum of its proper divisors (1019555067).

313003311013 is a wasteful number, since it uses less digits than its factorization.

313003311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019555066.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 313003311013 its reverse (310113300313), we get a palindrome (623116611326).

The spelling of 313003311013 in words is "three hundred thirteen billion, three million, three hundred eleven thousand, thirteen".

Divisors: 1 307 1019554759 313003311013