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231301321303 = 1317792409331
BaseRepresentation
bin1101011101101010100…
…0100001001001010111
3211010000210020120002211
43113122220201021113
512242201114240203
6254131450014251
722465601535343
oct3273250411127
9733023216084
10231301321303
118a104625188
12389b2417387
1318a72192780
14b2a32b2623
15603b44ec6d
hex35daa21257

231301321303 has 4 divisors (see below), whose sum is σ = 249093730648. Its totient is φ = 213508911960.

The previous prime is 231301321259. The next prime is 231301321373. The reversal of 231301321303 is 303123103132.

231301321303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231301321303 - 221 = 231299224151 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 (231301321373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8896204653 + ... + 8896204678.

It is an arithmetic number, because the mean of its divisors is an integer number (62273432662).

Almost surely, 2231301321303 is an apocalyptic number.

231301321303 is a deficient number, since it is larger than the sum of its proper divisors (17792409345).

231301321303 is a wasteful number, since it uses less digits than its factorization.

231301321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792409344.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231301321303 its reverse (303123103132), we get a palindrome (534424424435).

The spelling of 231301321303 in words is "two hundred thirty-one billion, three hundred one million, three hundred twenty-one thousand, three hundred three".

Divisors: 1 13 17792409331 231301321303