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1011231313230 = 23579426679879
BaseRepresentation
bin11101011011100100001…
…01010100110101001110
310120200011110010020211010
432231302011110311032
5113032000204010410
62052315300310050
7133026153224325
oct16556205246516
93520143106733
101011231313230
1135a951793846
12143b973a2326
13744880c2108
1436d2dd2b0bc
151b487797c20
hexeb72154d4e

1011231313230 has 32 divisors (see below), whose sum is σ = 2457676108800. Its totient is φ = 266248243872.

The previous prime is 1011231313187. The next prime is 1011231313231. The reversal of 1011231313230 is 323131321101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011231313197 and 1011231313206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011231313231) 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, 213337570 + ... + 213342309.

It is an arithmetic number, because the mean of its divisors is an integer number (76802378400).

Almost surely, 21011231313230 is an apocalyptic number.

1011231313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011231313230 is an abundant number, since it is smaller than the sum of its proper divisors (1446444795570).

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

1011231313230 is a wasteful number, since it uses less digits than its factorization.

1011231313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426679968.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1011231313230 its reverse (323131321101), we get a palindrome (1334362634331).

The spelling of 1011231313230 in words is "one trillion, eleven billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 426679879 853359758 1280039637 2133399395 2560079274 4266798790 6400198185 12800396370 33707710441 67415420882 101123131323 168538552205 202246262646 337077104410 505615656615 1011231313230