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11431312130 = 257767321283
BaseRepresentation
bin10101010010101101…
…11111101100000010
31002111200000211020202
422221112333230002
5141402403442010
65130152405202
7553164356420
oct125126775402
932450024222
1011431312130
11493674aaa7
1222703a6802
1311023b0224
147a62a6110
1546d88a6a5
hex2a95bfb02

11431312130 has 32 divisors (see below), whose sum is σ = 23520011904. Its totient is φ = 3918612096.

The previous prime is 11431312121. The next prime is 11431312229. The reversal of 11431312130 is 3121313411.

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, 526469 + ... + 547751.

It is an arithmetic number, because the mean of its divisors is an integer number (735000372).

Almost surely, 211431312130 is an apocalyptic number.

11431312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431312130 is an abundant number, since it is smaller than the sum of its proper divisors (12088699774).

11431312130 is a wasteful number, since it uses less digits than its factorization.

11431312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28970.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11431312130 its reverse (3121313411), we get a palindrome (14552625541).

The spelling of 11431312130 in words is "eleven billion, four hundred thirty-one million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 7673 15346 21283 38365 42566 53711 76730 106415 107422 148981 212830 268555 297962 537110 744905 1489810 163304459 326608918 816522295 1143131213 1633044590 2286262426 5715656065 11431312130