11130031001 has 4 divisors (see below), whose sum is σ = 11141263104. Its totient is φ = 11118798900.

The previous prime is 11130030979. The next prime is 11130031009. The reversal of 11130031001 is 10013003111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130031001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130031009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5614565 + ... + 5616546.

It is an arithmetic number, because the mean of its divisors is an integer number (2785315776).

Almost surely, 2^11130031001 is an apocalyptic number.

It is an amenable number.

11130031001 is a deficient number, since it is larger than the sum of its proper divisors (11232103).

11130031001 is an equidigital number, since it uses as much as digits as its factorization.

11130031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11232102.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 11130031001 its reverse (10013003111), we get a palindrome (21143034112).

The spelling of 11130031001 in words is "eleven billion, one hundred thirty million, thirty-one thousand, one".