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231330323030 = 25193617194263
BaseRepresentation
bin1101011101110001011…
…1001001101001010110
3211010002210210222222212
43113130113021221112
512242231030314110
6254134403353422
722466403205442
oct3273427115126
9733083728885
10231330323030
118a119a33654
1238a00082872
1318a781a8261
14b2a70a1822
15603dc7ce05
hex35dc5c9a56

231330323030 has 32 divisors (see below), whose sum is σ = 419232590784. Its totient is φ = 91903021056.

The previous prime is 231330323017. The next prime is 231330323033. The reversal of 231330323030 is 30323033132.

It is a junction number, because it is equal to n+sod(n) for n = 231330322987 and 231330323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330323033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093679 + ... + 1287941.

It is an arithmetic number, because the mean of its divisors is an integer number (13101018462).

Almost surely, 2231330323030 is an apocalyptic number.

231330323030 is a deficient number, since it is larger than the sum of its proper divisors (187902267754).

231330323030 is a wasteful number, since it uses less digits than its factorization.

231330323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195080.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 231330323030 its reverse (30323033132), we get a palindrome (261653356162).

The spelling of 231330323030 in words is "two hundred thirty-one billion, three hundred thirty million, three hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 193 386 617 965 1234 1930 3085 6170 119081 194263 238162 388526 595405 971315 1190810 1942630 37492759 74985518 119860271 187463795 239720542 374927590 599301355 1198602710 23133032303 46266064606 115665161515 231330323030