Search a number
-
+
231301300230 = 2325711132567447
BaseRepresentation
bin1101011101101010100…
…0011100000000000110
3211010000210012111012100
43113122220130000012
512242201113101410
6254131445332530
722465601420040
oct3273250340006
9733023174170
10231301300230
118a104610370
12389b2407146
1318a72185cc0
14b2a32a8a90
15603b4488c0
hex35daa1c006

231301300230 has 192 divisors, whose sum is σ = 807452126208. Its totient is φ = 44365466880.

The previous prime is 231301300211. The next prime is 231301300231. The reversal of 231301300230 is 32003103132.

231301300230 is a `hidden beast` number, since 2 + 3 + 130 + 1 + 300 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301300231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1193634 + ... + 1373813.

It is an arithmetic number, because the mean of its divisors is an integer number (4205479824).

Almost surely, 2231301300230 is an apocalyptic number.

231301300230 is an abundant number, since it is smaller than the sum of its proper divisors (576150825978).

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

231301300230 is a wasteful number, since it uses less digits than its factorization.

231301300230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567491 (or 2567488 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231301300230 its reverse (32003103132), we get a palindrome (263304403362).

The spelling of 231301300230 in words is "two hundred thirty-one billion, three hundred one million, three hundred thousand, two hundred thirty".