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20000312310001 = 231316638006077
BaseRepresentation
bin1001000110000101011111…
…00000101011100011110001
32121211000022011010111102211
410203002233200223203301
510110141114422410001
6110312003332012121
74132655245431442
oct443025740534361
977730264114384
1020000312310001
1164110a298a181
1222b0240161041
13b21037c0195a
144d203d9172c9
1524a3c24c7351
hex1230af82b8f1

20000312310001 has 8 divisors (see below), whose sum is σ = 21029203255104. Its totient is φ = 18984697377360.

The previous prime is 20000312309969. The next prime is 20000312310029. The reversal of 20000312310001 is 10001321300002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20000312310001 - 25 = 20000312309969 is a prime.

It is a super-3 number, since 3×200003123100013 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000312310091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3319000026 + ... + 3319006051.

It is an arithmetic number, because the mean of its divisors is an integer number (2628650406888).

Almost surely, 220000312310001 is an apocalyptic number.

It is an amenable number.

20000312310001 is a deficient number, since it is larger than the sum of its proper divisors (1028890945103).

20000312310001 is a wasteful number, since it uses less digits than its factorization.

20000312310001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638006231.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20000312310001 its reverse (10001321300002), we get a palindrome (30001633610003).

The spelling of 20000312310001 in words is "twenty trillion, three hundred twelve million, three hundred ten thousand, one".

Divisors: 1 23 131 3013 6638006077 152674139771 869578796087 20000312310001