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20313123313001 = 53921937671379
BaseRepresentation
bin1001001111001100001000…
…11111111101010101101001
32122220220201111012220111112
410213212010133331111221
510130302234032004001
6111111415305240105
74164401063202101
oct447460437752551
978826644186445
1020313123313001
116521824603662
12234099ba93035
13b44699bcb1bc
14503236268201
152535ce703cbb
hex1279847fd569

20313123313001 has 4 divisors (see below), whose sum is σ = 20313161523600. Its totient is φ = 20313085102404.

The previous prime is 20313123312929. The next prime is 20313123313039. The reversal of 20313123313001 is 10031332131302.

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 20313123313001 - 210 = 20313123311977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313123303001) 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, 18296471 + ... + 19374908.

It is an arithmetic number, because the mean of its divisors is an integer number (5078290380900).

Almost surely, 220313123313001 is an apocalyptic number.

It is an amenable number.

20313123313001 is a deficient number, since it is larger than the sum of its proper divisors (38210599).

20313123313001 is an equidigital number, since it uses as much as digits as its factorization.

20313123313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38210598.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20313123313001 its reverse (10031332131302), we get a palindrome (30344455444303).

The spelling of 20313123313001 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-three million, three hundred thirteen thousand, one".

Divisors: 1 539219 37671379 20313123313001