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231322200330 = 23513619958213
BaseRepresentation
bin1101011101101111100…
…0001010100100001010
3211010002020112022202010
43113123320022210022
512242221440402310
6254133513320350
722466244155214
oct3273370124412
9733066468663
10231322200330
118a115395981
12389b94060b6
1318a765c3020
14b2a5d895b4
15603d1c6320
hex35dbe0a90a

231322200330 has 64 divisors (see below), whose sum is σ = 598845421440. Its totient is φ = 56848801536.

The previous prime is 231322200311. The next prime is 231322200391. The reversal of 231322200330 is 33002223132.

231322200330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231322200297 and 231322200306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237697 + ... + 720516.

It is an arithmetic number, because the mean of its divisors is an integer number (9356959710).

Almost surely, 2231322200330 is an apocalyptic number.

231322200330 is an abundant number, since it is smaller than the sum of its proper divisors (367523221110).

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

231322200330 is a wasteful number, since it uses less digits than its factorization.

231322200330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958855.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 231322200330 its reverse (33002223132), we get a palindrome (264324423462).

The spelling of 231322200330 in words is "two hundred thirty-one billion, three hundred twenty-two million, two hundred thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 619 1238 1857 3095 3714 6190 8047 9285 16094 18570 24141 40235 48282 80470 120705 241410 958213 1916426 2874639 4791065 5749278 9582130 12456769 14373195 24913538 28746390 37370307 62283845 74740614 124567690 186851535 373703070 593133847 1186267694 1779401541 2965669235 3558803082 5931338470 7710740011 8897007705 15421480022 17794015410 23132220033 38553700055 46264440066 77107400110 115661100165 231322200330