Search a number
-
+
231313110330 = 23548891577099
BaseRepresentation
bin1101011101101101010…
…1011111010100111010
3211010001121102111121110
43113123111133110322
512242212124012310
6254132550421150
722466103665601
oct3273325372472
9733047374543
10231313110330
118a110247485
12389b63617b6
1318a7475c723
14b2a4aa0a38
15603c4ccd20
hex35db55f53a

231313110330 has 32 divisors (see below), whose sum is σ = 555265368000. Its totient is φ = 61670840192.

The previous prime is 231313110323. The next prime is 231313110373. The reversal of 231313110330 is 33011313132.

It is a junction number, because it is equal to n+sod(n) for n = 231313110297 and 231313110306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641880 + ... + 935219.

It is an arithmetic number, because the mean of its divisors is an integer number (17352042750).

Almost surely, 2231313110330 is an apocalyptic number.

231313110330 is an abundant number, since it is smaller than the sum of its proper divisors (323952257670).

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

231313110330 is a wasteful number, since it uses less digits than its factorization.

231313110330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581998.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231313110330 its reverse (33011313132), we get a palindrome (264324423462).

The spelling of 231313110330 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred ten thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4889 9778 14667 24445 29334 48890 73335 146670 1577099 3154198 4731297 7885495 9462594 15770990 23656485 47312970 7710437011 15420874022 23131311033 38552185055 46262622066 77104370110 115656555165 231313110330