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1203123131230 = 25170970399247
BaseRepresentation
bin10001100000011111101…
…110100001001101011110
311021000110201102121121111
4101200133232201031132
5124202444010144410
62320412424052234
7152631340610626
oct21403756411536
94230421377544
101203123131230
11424272707889
1217520b60407a
13895b9651457
1442335223886
1521468ea2b8a
hex1181fba135e

1203123131230 has 16 divisors (see below), whose sum is σ = 2166888853440. Its totient is φ = 480967648672.

The previous prime is 1203123131227. The next prime is 1203123131269. The reversal of 1203123131230 is 321313213021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35182534 + ... + 35216713.

It is an arithmetic number, because the mean of its divisors is an integer number (135430553340).

Almost surely, 21203123131230 is an apocalyptic number.

1203123131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203123131230 is a deficient number, since it is larger than the sum of its proper divisors (963765722210).

1203123131230 is a wasteful number, since it uses less digits than its factorization.

1203123131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70400963.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1203123131230 its reverse (321313213021), we get a palindrome (1524436344251).

The spelling of 1203123131230 in words is "one trillion, two hundred three billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1709 3418 8545 17090 70399247 140798494 351996235 703992470 120312313123 240624626246 601561565615 1203123131230