Search a number
-
+
331223320230 = 235111003707031
BaseRepresentation
bin1001101000111100111…
…00101100011010100110
31011122221112010000222220
410310132130230122212
520411321132221410
6412054545133210
732634010524435
oct4643634543246
91148845100886
10331223320230
1111851aa24990
125423a02a206
132530779191a
1412061c2b11c
1589388cd070
hex4d1e72c6a6

331223320230 has 32 divisors (see below), whose sum is σ = 867202875648. Its totient is φ = 80296562400.

The previous prime is 331223320177. The next prime is 331223320271. The reversal of 331223320230 is 32023322133.

It is a self number, because there is not a number n which added to its sum of digits gives 331223320230.

It is a congruent number.

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, 501853186 + ... + 501853845.

It is an arithmetic number, because the mean of its divisors is an integer number (27100089864).

Almost surely, 2331223320230 is an apocalyptic number.

331223320230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331223320230 is an abundant number, since it is smaller than the sum of its proper divisors (535979555418).

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

331223320230 is a wasteful number, since it uses less digits than its factorization.

331223320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003707052.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 331223320230 its reverse (32023322133), we get a palindrome (363246642363).

The spelling of 331223320230 in words is "three hundred thirty-one billion, two hundred twenty-three million, three hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1003707031 2007414062 3011121093 5018535155 6022242186 10037070310 11040777341 15055605465 22081554682 30111210930 33122332023 55203886705 66244664046 110407773410 165611660115 331223320230