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231002013041 = 653771745841
BaseRepresentation
bin1101011100100011001…
…0101111110101110001
3211002020221001010100122
43113020302233311301
512241043003404131
6254042034500025
722455305466452
oct3271062576561
9732227033318
10231002013041
1189a70683488
123892a134615
1318a251777a7
14b27563d129
15602002ad7b
hex35c8cafd71

231002013041 has 8 divisors (see below), whose sum is σ = 231390795624. Its totient is φ = 230613338880.

The previous prime is 231002013023. The next prime is 231002013043. The reversal of 231002013041 is 140310200132.

It can be written as a sum of positive squares in 4 ways, for example, as 24428127025 + 206573886016 = 156295^2 + 454504^2 .

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 231002013041 - 226 = 230934904177 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 (231002013043) 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, 5016281 + ... + 5062121.

It is an arithmetic number, because the mean of its divisors is an integer number (28923849453).

Almost surely, 2231002013041 is an apocalyptic number.

It is an amenable number.

231002013041 is a deficient number, since it is larger than the sum of its proper divisors (388782583).

231002013041 is an equidigital number, since it uses as much as digits as its factorization.

231002013041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54211.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 231002013041 its reverse (140310200132), we get a palindrome (371312213173).

The spelling of 231002013041 in words is "two hundred thirty-one billion, two million, thirteen thousand, forty-one".

Divisors: 1 653 7717 45841 5039201 29934173 353754997 231002013041