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1130103211 = 4523249857
BaseRepresentation
bin100001101011100…
…0000000110101011
32220202111012011111
41003113000012223
54303301300321
6304050011151
740001501356
oct10327000653
92822435144
101130103211
1152aa062a6
12276576ab7
13150190933
14aa13729d
15693305e1
hex435c01ab

1130103211 has 4 divisors (see below), whose sum is σ = 1130357592. Its totient is φ = 1129848832.

The previous prime is 1130103199. The next prime is 1130103251. The reversal of 1130103211 is 1123010311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123010311 = 4672404733.

It is a cyclic number.

It is not a de Polignac number, because 1130103211 - 27 = 1130103083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130103191 and 1130103200.

It is not an unprimeable number, because it can be changed into a prime (1130103251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120406 + ... + 129451.

It is an arithmetic number, because the mean of its divisors is an integer number (282589398).

Almost surely, 21130103211 is an apocalyptic number.

1130103211 is a deficient number, since it is larger than the sum of its proper divisors (254381).

1130103211 is an equidigital number, since it uses as much as digits as its factorization.

1130103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254380.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1130103211 is about 33617.0077639281. The cubic root of 1130103211 is about 1041.6121480103.

Adding to 1130103211 its reverse (1123010311), we get a palindrome (2253113522).

The spelling of 1130103211 in words is "one billion, one hundred thirty million, one hundred three thousand, two hundred eleven".

Divisors: 1 4523 249857 1130103211