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2001321303131 = 8337537642361
BaseRepresentation
bin11101000111111000000…
…010111001110001011011
321002022202112010000010002
4131013320002321301123
5230242201223200011
64131221101043215
7264406415252543
oct35077002716133
97068675100102
102001321303131
11701834779447
12283a5255650b
1311695421a947
146cc16158323
15370d3ec9c3b
hex1d1f80b9c5b

2001321303131 has 8 divisors (see below), whose sum is σ = 2025490719504. Its totient is φ = 1977153246720.

The previous prime is 2001321303119. The next prime is 2001321303161. The reversal of 2001321303131 is 1313031231002.

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 2001321303131 - 26 = 2001321303067 is a prime.

It is a super-2 number, since 2×20013213031312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001321303101) 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, 2794391 + ... + 3436751.

It is an arithmetic number, because the mean of its divisors is an integer number (253186339938).

Almost surely, 22001321303131 is an apocalyptic number.

2001321303131 is a deficient number, since it is larger than the sum of its proper divisors (24169416373).

2001321303131 is an equidigital number, since it uses as much as digits as its factorization.

2001321303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679981.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2001321303131 its reverse (1313031231002), we get a palindrome (3314352534133).

The spelling of 2001321303131 in words is "two trillion, one billion, three hundred twenty-one million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 83 37537 642361 3115571 53315963 24112304857 2001321303131