11131030019 has 2 divisors, whose sum is σ = 11131030020. Its totient is φ = 11131030018.

The previous prime is 11131029991. The next prime is 11131030049. The reversal of 11131030019 is 91003013111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131030019 - 2¹⁶ = 11130964483 is a prime.

It is a super-2 number, since 2×11131030019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11131030049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565515009 + 5565515010.

It is an arithmetic number, because the mean of its divisors is an integer number (5565515010).

Almost surely, 2^11131030019 is an apocalyptic number.

11131030019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131030019 is an equidigital number, since it uses as much as digits as its factorization.

11131030019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 20.

The spelling of 11131030019 in words is "eleven billion, one hundred thirty-one million, thirty thousand, nineteen".