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231304001 = 4110915171
BaseRepresentation
bin11011100100101…
…10101101000001
3121010020110102212
431302112231001
5433203212001
634541351505
75506023455
oct1562265501
9533213385
10231304001
11109624135
1265568595
1338bc7996
1422a10665
151548e7bb
hexdc96b41

231304001 has 8 divisors (see below), whose sum is σ = 237208608. Its totient is φ = 225412000.

The previous prime is 231303997. The next prime is 231304019. The reversal of 231304001 is 100403132.

231304001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231304001 - 22 = 231303997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231304901) 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, 42146 + ... + 47316.

It is an arithmetic number, because the mean of its divisors is an integer number (29651076).

Almost surely, 2231304001 is an apocalyptic number.

It is an amenable number.

231304001 is a deficient number, since it is larger than the sum of its proper divisors (5904607).

231304001 is a wasteful number, since it uses less digits than its factorization.

231304001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231304001 is about 15208.6817640452. The cubic root of 231304001 is about 613.8482871671.

Adding to 231304001 its reverse (100403132), we get a palindrome (331707133).

The spelling of 231304001 in words is "two hundred thirty-one million, three hundred four thousand, one".

Divisors: 1 41 1091 5171 44731 212011 5641561 231304001