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230203310131021 = 679203373342421
BaseRepresentation
bin110100010101111001100010…
…100001101100011101001101
31010012002012222111012120200011
4310111321202201230131031
5220133122334343143041
62133333535110233221
766326432424426553
oct6425714241543515
91105065874176604
10230203310131021
11673937481a9a77
122199ab3a955811
139b5b1047389b6
1440bbc84947bd3
151b931b2be1e81
hexd15e6286c74d

230203310131021 has 8 divisors (see below), whose sum is σ = 233664568341984. Its totient is φ = 226742798623440.

The previous prime is 230203310131013. The next prime is 230203310131117. The reversal of 230203310131021 is 120131013302032.

230203310131021 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 230203310131021 - 23 = 230203310131013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230203310130983 and 230203310131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230203310191021) 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, 186054610 + ... + 187287811.

It is an arithmetic number, because the mean of its divisors is an integer number (29208071042748).

Almost surely, 2230203310131021 is an apocalyptic number.

It is an amenable number.

230203310131021 is a deficient number, since it is larger than the sum of its proper divisors (3461258210963).

230203310131021 is an equidigital number, since it uses as much as digits as its factorization.

230203310131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373351691.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 230203310131021 its reverse (120131013302032), we get a palindrome (350334323433053).

The spelling of 230203310131021 in words is "two hundred thirty trillion, two hundred three billion, three hundred ten million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 67 9203 616601 373342421 25013942207 3435870300463 230203310131021