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313203313100131 = 745941989987009
BaseRepresentation
bin100011100110110110101010…
…0001110000100010101100011
31112001221221111101220201121021
41013031231110032010111203
5312023010341123201011
63030043340554110311
7122654123034211516
oct10715552416042543
91461857441821537
10313203313100131
11908838630625a3
122b164a97a1b397
131059bc3a8ca37c
14574b19a968d7d
15263220c259471
hex11cdb54384563

313203313100131 has 4 divisors (see below), whose sum is σ = 313245303094600. Its totient is φ = 313161323105664.

The previous prime is 313203313100089. The next prime is 313203313100179. The reversal of 313203313100131 is 131001313302313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313203313100131 - 217 = 313203312969059 is a prime.

It is a super-2 number, since 2×3132033131001312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313203313100096 and 313203313100105.

It is not an unprimeable number, because it can be changed into a prime (313203313130131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20994986046 + ... + 20995000963.

It is an arithmetic number, because the mean of its divisors is an integer number (78311325773650).

Almost surely, 2313203313100131 is an apocalyptic number.

313203313100131 is a deficient number, since it is larger than the sum of its proper divisors (41989994469).

313203313100131 is an equidigital number, since it uses as much as digits as its factorization.

313203313100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41989994468.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 313203313100131 its reverse (131001313302313), we get a palindrome (444204626402444).

The spelling of 313203313100131 in words is "three hundred thirteen trillion, two hundred three billion, three hundred thirteen million, one hundred thousand, one hundred thirty-one".

Divisors: 1 7459 41989987009 313203313100131