Search a number
-
+
231323310330 = 23571957975767
BaseRepresentation
bin1101011101101111110…
…0011001100011111010
3211010002022121201101020
43113123330121203322
512242222231412310
6254133553203310
722466256460320
oct3273374314372
9733068551336
10231323310330
118a115a83932
12389b9860536
1318a768c1328
14b2a6197d10
15603d345170
hex35dbf198fa

231323310330 has 64 divisors (see below), whose sum is σ = 667880847360. Its totient is φ = 50091061824.

The previous prime is 231323310301. The next prime is 231323310343. The reversal of 231323310330 is 33013323132.

It is a self number, because there is not a number n which added to its sum of digits gives 231323310330.

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, 28983894 + ... + 28991873.

It is an arithmetic number, because the mean of its divisors is an integer number (10435638240).

Almost surely, 2231323310330 is an apocalyptic number.

231323310330 is an abundant number, since it is smaller than the sum of its proper divisors (436557537030).

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

231323310330 is a wasteful number, since it uses less digits than its factorization.

231323310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57975803.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 231323310330 its reverse (33013323132), we get a palindrome (264336633462).

The spelling of 231323310330 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred ten thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 57975767 115951534 173927301 289878835 347854602 405830369 579757670 811660738 869636505 1101539573 1217491107 1739273010 2029151845 2203079146 2434982214 3304618719 4058303690 5507697865 6087455535 6609237438 7710777011 11015395730 12174911070 15421554022 16523093595 23132331033 33046187190 38553885055 46264662066 77107770110 115661655165 231323310330