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102001230301 = 132523769687
BaseRepresentation
bin101111011111110111…
…1110100000111011101
3100202021122022101010111
41132333233310013131
53132344303332201
6114505252210021
710240454103115
oct1367757640735
9322248271114
10102001230301
113a293043043
1217928009911
1398072c7a99
144d18b5a045
1529bec91b51
hex17bfbf41dd

102001230301 has 4 divisors (see below), whose sum is σ = 102002132512. Its totient is φ = 102000328092.

The previous prime is 102001230299. The next prime is 102001230311. The reversal of 102001230301 is 103032100201.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 103032100201 = 197595214439.

It is a cyclic number.

It is not a de Polignac number, because 102001230301 - 21 = 102001230299 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 (102001230311) 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, 252321 + ... + 517366.

It is an arithmetic number, because the mean of its divisors is an integer number (25500533128).

Almost surely, 2102001230301 is an apocalyptic number.

It is an amenable number.

102001230301 is a deficient number, since it is larger than the sum of its proper divisors (902211).

102001230301 is an equidigital number, since it uses as much as digits as its factorization.

102001230301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902210.

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

Adding to 102001230301 its reverse (103032100201), we get a palindrome (205033330502).

The spelling of 102001230301 in words is "one hundred two billion, one million, two hundred thirty thousand, three hundred one".

Divisors: 1 132523 769687 102001230301