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13231010401 = 71890144343
BaseRepresentation
bin11000101001010000…
…10011001001100001
31021011002110222011021
430110220103021201
5204044114313101
610024522245441
7645606506230
oct142450231141
937132428137
1013231010401
11567a618a44
122693056881
13132b1c5b4b
148d7300b17
155268845a1
hex314a13261

13231010401 has 4 divisors (see below), whose sum is σ = 15121154752. Its totient is φ = 11340866052.

The previous prime is 13231010399. The next prime is 13231010407. The reversal of 13231010401 is 10401013231.

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 not a de Polignac number, because 13231010401 - 21 = 13231010399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231010407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945072165 + ... + 945072178.

It is an arithmetic number, because the mean of its divisors is an integer number (3780288688).

Almost surely, 213231010401 is an apocalyptic number.

It is an amenable number.

13231010401 is a deficient number, since it is larger than the sum of its proper divisors (1890144351).

13231010401 is an equidigital number, since it uses as much as digits as its factorization.

13231010401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890144350.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13231010401 its reverse (10401013231), we get a palindrome (23632023632).

The spelling of 13231010401 in words is "thirteen billion, two hundred thirty-one million, ten thousand, four hundred one".

Divisors: 1 7 1890144343 13231010401