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2001310303301 = 4742581070283
BaseRepresentation
bin11101000111110111011…
…000111100010001000101
321002022201202102011011222
4131013313120330101011
5230242140414201201
64131220025210125
7264406222620221
oct35076730742105
97068652364158
102001310303301
11701829546081
12283a4a930945
13116951b68c7a
146cc148d3781
15370d305591b
hex1d1f763c445

2001310303301 has 4 divisors (see below), whose sum is σ = 2043891373632. Its totient is φ = 1958729232972.

The previous prime is 2001310303273. The next prime is 2001310303357. The reversal of 2001310303301 is 1033030131002.

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 a de Polignac number, because none of the positive numbers 2k-2001310303301 is a prime.

It is a super-2 number, since 2×20013103033012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001310303301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001310302301) 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, 21290535095 + ... + 21290535188.

It is an arithmetic number, because the mean of its divisors is an integer number (510972843408).

Almost surely, 22001310303301 is an apocalyptic number.

It is an amenable number.

2001310303301 is a deficient number, since it is larger than the sum of its proper divisors (42581070331).

2001310303301 is an equidigital number, since it uses as much as digits as its factorization.

2001310303301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42581070330.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 2001310303301 its reverse (1033030131002), we get a palindrome (3034340434303).

The spelling of 2001310303301 in words is "two trillion, one billion, three hundred ten million, three hundred three thousand, three hundred one".

Divisors: 1 47 42581070283 2001310303301