11130030331 has 4 divisors (see below), whose sum is σ = 12720034672. Its totient is φ = 9540025992.

The previous prime is 11130030323. The next prime is 11130030367. The reversal of 11130030331 is 13303003111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11130030331 - 2³ = 11130030323 is a prime.

It is a super-2 number, since 2×11130030331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130030731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795002160 + ... + 795002173.

It is an arithmetic number, because the mean of its divisors is an integer number (3180008668).

Almost surely, 2^11130030331 is an apocalyptic number.

11130030331 is a deficient number, since it is larger than the sum of its proper divisors (1590004341).

11130030331 is an equidigital number, since it uses as much as digits as its factorization.

11130030331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590004340.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 11130030331 its reverse (13303003111), we get a palindrome (24433033442).

The spelling of 11130030331 in words is "eleven billion, one hundred thirty million, thirty thousand, three hundred thirty-one".