Search a number
-
+
231313014312 = 23347205064729
BaseRepresentation
bin1101011101101101010…
…1000111111000101000
3211010001121020121220020
43113123111013320220
512242212112424222
6254132544400440
722466103115632
oct3273325077050
9733047217806
10231313014312
118a110191326
12389b6316120
1318a74727b03
14b2a4a77a52
15603c4ae65c
hex35db547e28

231313014312 has 32 divisors (see below), whose sum is σ = 590586422400. Its totient is φ = 75463819904.

The previous prime is 231313014311. The next prime is 231313014353. The reversal of 231313014312 is 213410313132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (231313014311) 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, 102531237 + ... + 102533492.

It is an arithmetic number, because the mean of its divisors is an integer number (18455825700).

Almost surely, 2231313014312 is an apocalyptic number.

It is an amenable number.

231313014312 is an abundant number, since it is smaller than the sum of its proper divisors (359273408088).

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

231313014312 is a wasteful number, since it uses less digits than its factorization.

231313014312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205064785 (or 205064781 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231313014312 its reverse (213410313132), we get a palindrome (444723327444).

The spelling of 231313014312 in words is "two hundred thirty-one billion, three hundred thirteen million, fourteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 564 1128 205064729 410129458 615194187 820258916 1230388374 1640517832 2460776748 4921553496 9638042263 19276084526 28914126789 38552169052 57828253578 77104338104 115656507156 231313014312