Search a number
-
+
331131344230 = 2537894949579
BaseRepresentation
bin1001101000110001111…
…01110101010101100110
31011122201010001011122101
410310120331311111212
520411124111003410
6412041501522314
732631512662021
oct4643075652546
91148633034571
10331131344230
11118483013a65
125421327339a
13252c16ca45b
14120539281b8
1589307b0d3a
hex4d18f75566

331131344230 has 16 divisors (see below), whose sum is σ = 612145512720. Its totient is φ = 128872739232.

The previous prime is 331131344221. The next prime is 331131344231. The reversal of 331131344230 is 32443131133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331131344231) 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, 447474420 + ... + 447475159.

It is an arithmetic number, because the mean of its divisors is an integer number (38259094545).

Almost surely, 2331131344230 is an apocalyptic number.

331131344230 is a deficient number, since it is larger than the sum of its proper divisors (281014168490).

331131344230 is a wasteful number, since it uses less digits than its factorization.

331131344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894949623.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 331131344230 its reverse (32443131133), we get a palindrome (363574475363).

The spelling of 331131344230 in words is "three hundred thirty-one billion, one hundred thirty-one million, three hundred forty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 894949579 1789899158 4474747895 8949495790 33113134423 66226268846 165565672115 331131344230