Search a number
-
+
231313310330 = 25374320697027
BaseRepresentation
bin1101011101101101011…
…0010000001001111010
3211010001121210122221212
43113123112100021322
512242212201412310
6254132555003122
722466105460644
oct3273326201172
9733047718855
10231313310330
118a110373773
12389b64394a2
1318a747cc77b
14b2a4b13894
15603c51c205
hex35db59027a

231313310330 has 64 divisors (see below), whose sum is σ = 437835404160. Its totient is φ = 87876036864.

The previous prime is 231313310329. The next prime is 231313310369. The reversal of 231313310330 is 33013313132.

It is a junction number, because it is equal to n+sod(n) for n = 231313310296 and 231313310305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32914277 + ... + 32921303.

It is an arithmetic number, because the mean of its divisors is an integer number (6841178190).

Almost surely, 2231313310330 is an apocalyptic number.

231313310330 is a deficient number, since it is larger than the sum of its proper divisors (206522093830).

231313310330 is a wasteful number, since it uses less digits than its factorization.

231313310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 231313310330 its reverse (33013313132), we get a palindrome (264326623462).

The spelling of 231313310330 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 10 37 43 74 86 185 215 370 430 1591 2069 3182 4138 7027 7955 10345 14054 15910 20690 35135 70270 76553 88967 153106 177934 259999 302161 382765 444835 519998 604322 765530 889670 1299995 1510805 2599990 3021610 3291779 6583558 11179957 14538863 16458895 22359914 29077726 32917790 55899785 72694315 111799570 145388630 537937931 625171109 1075875862 1250342218 2689689655 3125855545 5379379310 6251711090 23131331033 46262662066 115656655165 231313310330