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3031201321001 = 7289701991541
BaseRepresentation
bin101100000111000001101…
…011011001000000101001
3101201210001122001121102122
4230013001223121000221
5344130400014233001
610240303100041025
7431665665052400
oct54070153310051
911653048047378
103031201321001
11a69586138a87
1240b573233175
1318cac1a5c819
14a69d4ad6637
1553cada69b1b
hex2c1c1ad9029

3031201321001 has 24 divisors (see below), whose sum is σ = 3570800542920. Its totient is φ = 2565312288000.

The previous prime is 3031201320943. The next prime is 3031201321021. The reversal of 3031201321001 is 1001231021303.

It can be written as a sum of positive squares in 4 ways, for example, as 1183841922025 + 1847359398976 = 1088045^2 + 1359176^2 .

It is not a de Polignac number, because 3031201321001 - 26 = 3031201320937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3031201321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2561291 + ... + 3552831.

It is an arithmetic number, because the mean of its divisors is an integer number (148783355955).

Almost surely, 23031201321001 is an apocalyptic number.

It is an amenable number.

3031201321001 is a deficient number, since it is larger than the sum of its proper divisors (539599221919).

3031201321001 is an equidigital number, since it uses as much as digits as its factorization.

3031201321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992345 (or 992338 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 3031201321001 its reverse (1001231021303), we get a palindrome (4032432342304).

The spelling of 3031201321001 in words is "three trillion, thirty-one billion, two hundred one million, three hundred twenty-one thousand, one".

Divisors: 1 7 49 89 623 701 4361 4907 34349 62389 436723 991541 3057061 6940787 48585509 88247149 617730043 695070241 4324110301 4865491687 34058441809 61861251449 433028760143 3031201321001