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10020321301 = 31323236171
BaseRepresentation
bin10010101010100000…
…11111100000010101
3221212100000001201011
421111100133200111
5131010200240201
64334150132221
7503212216504
oct112520374025
927770001634
1010020321301
114282234781
121b37951071
13c38c83c03
146b0b3283b
153d9a74151
hex25541f815

10020321301 has 4 divisors (see below), whose sum is σ = 10343557504. Its totient is φ = 9697085100.

The previous prime is 10020321293. The next prime is 10020321307. The reversal of 10020321301 is 10312302001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10312302001 = 41251519561.

It is a cyclic number.

It is not a de Polignac number, because 10020321301 - 23 = 10020321293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020321307) 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, 161618055 + ... + 161618116.

It is an arithmetic number, because the mean of its divisors is an integer number (2585889376).

Almost surely, 210020321301 is an apocalyptic number.

It is an amenable number.

10020321301 is a deficient number, since it is larger than the sum of its proper divisors (323236203).

10020321301 is an equidigital number, since it uses as much as digits as its factorization.

10020321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323236202.

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

Adding to 10020321301 its reverse (10312302001), we get a palindrome (20332623302).

The spelling of 10020321301 in words is "ten billion, twenty million, three hundred twenty-one thousand, three hundred one".

Divisors: 1 31 323236171 10020321301