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231321010201 = 3119338663047
BaseRepresentation
bin1101011101101111001…
…1101000000000011001
3211010002011021212012021
43113123303220000121
512242221134311301
6254133432014441
722466231100361
oct3273363500031
9733064255167
10231321010201
118a1147527a6
12389b8b31421
1318a762973c8
14b2a5b599a1
15603d03d8a1
hex35dbce8019

231321010201 has 8 divisors (see below), whose sum is σ = 240020201984. Its totient is φ = 222699144960.

The previous prime is 231321010189. The next prime is 231321010229. The reversal of 231321010201 is 102010123132.

231321010201 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 a de Polignac number, because none of the positive numbers 2k-231321010201 is a prime.

It is a super-2 number, since 2×2313210102012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231321010001) 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 7 ways as a sum of consecutive naturals, for example, 19325541 + ... + 19337506.

It is an arithmetic number, because the mean of its divisors is an integer number (30002525248).

Almost surely, 2231321010201 is an apocalyptic number.

It is an amenable number.

231321010201 is a deficient number, since it is larger than the sum of its proper divisors (8699191783).

231321010201 is a wasteful number, since it uses less digits than its factorization.

231321010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38663271.

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

Adding to 231321010201 its reverse (102010123132), we get a palindrome (333331133333).

The spelling of 231321010201 in words is "two hundred thirty-one billion, three hundred twenty-one million, ten thousand, two hundred one".

Divisors: 1 31 193 5983 38663047 1198554457 7461968071 231321010201