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230331103213 = 887929327943
BaseRepresentation
bin1101011010000011001…
…1011011011111101101
3211000112011121101002111
43112200303123133231
512233204230300323
6253451310524021
722432551034231
oct3264063333755
9730464541074
10230331103213
11897569a2a52
1238781506611
1318949182223
14b2104b85c1
155ed11a2c0d
hex35a0cdb7ed

230331103213 has 8 divisors (see below), whose sum is σ = 230623843968. Its totient is φ = 230038438704.

The previous prime is 230331103201. The next prime is 230331103241. The reversal of 230331103213 is 312301133032.

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 230331103213 - 225 = 230297548781 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 (230331103243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8228920 + ... + 8256862.

It is an arithmetic number, because the mean of its divisors is an integer number (28827980496).

Almost surely, 2230331103213 is an apocalyptic number.

It is an amenable number.

230331103213 is a deficient number, since it is larger than the sum of its proper divisors (292740755).

230331103213 is an equidigital number, since it uses as much as digits as its factorization.

230331103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38123.

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

Adding to 230331103213 its reverse (312301133032), we get a palindrome (542632236245).

The spelling of 230331103213 in words is "two hundred thirty billion, three hundred thirty-one million, one hundred three thousand, two hundred thirteen".

Divisors: 1 887 9293 27943 8242891 24785441 259674299 230331103213