Search a number
-
+
231002122330 = 2575362264723
BaseRepresentation
bin1101011100100011001…
…1001010100001011010
3211002020221020200021101
43113020303022201122
512241043020403310
6254042041102014
722455306433210
oct3271063124132
9732227220241
10231002122330
1189a70748601
123892a18790a
1318a251b5465
14b27566acb0
15602004d43a
hex35c8cca85a

231002122330 has 32 divisors (see below), whose sum is σ = 484170493824. Its totient is φ = 77706373056.

The previous prime is 231002122289. The next prime is 231002122333. The reversal of 231002122330 is 33221200132.

It is a junction number, because it is equal to n+sod(n) for n = 231002122298 and 231002122307.

It is not an unprimeable number, because it can be changed into a prime (231002122333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31128652 + ... + 31136071.

It is an arithmetic number, because the mean of its divisors is an integer number (15130327932).

Almost surely, 2231002122330 is an apocalyptic number.

231002122330 is an abundant number, since it is smaller than the sum of its proper divisors (253168371494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231002122330 is a wasteful number, since it uses less digits than its factorization.

231002122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62264790.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231002122330 its reverse (33221200132), we get a palindrome (264223322462).

The spelling of 231002122330 in words is "two hundred thirty-one billion, two million, one hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3710 62264723 124529446 311323615 435853061 622647230 871706122 2179265305 3300030319 4358530610 6600060638 16500151595 23100212233 33000303190 46200424466 115501061165 231002122330