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11130251031 = 3210273120383
BaseRepresentation
bin10100101110110101…
…00010011100010111
31001201200112100001200
422113122202130113
5140243321013111
65040235523543
7542550400314
oct122732423427
931650470050
1011130251031
1147a1811379
1221a75b95b3
131084c00473
147782d7d0b
1545221c256
hex2976a2717

11130251031 has 12 divisors (see below), whose sum is σ = 16078727808. Its totient is φ = 7419383424.

The previous prime is 11130251023. The next prime is 11130251051. The reversal of 11130251031 is 13015203111.

It is not a de Polignac number, because 11130251031 - 23 = 11130251023 is a prime.

It is a super-2 number, since 2×111302510312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11130250995 and 11130251013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130251051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32266 + ... + 152648.

It is an arithmetic number, because the mean of its divisors is an integer number (1339893984).

Almost surely, 211130251031 is an apocalyptic number.

11130251031 is a deficient number, since it is larger than the sum of its proper divisors (4948476777).

11130251031 is a wasteful number, since it uses less digits than its factorization.

11130251031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130662 (or 130659 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 11130251031 its reverse (13015203111), we get a palindrome (24145454142).

The spelling of 11130251031 in words is "eleven billion, one hundred thirty million, two hundred fifty-one thousand, thirty-one".

Divisors: 1 3 9 10273 30819 92457 120383 361149 1083447 1236694559 3710083677 11130251031