11131022312 has 16 divisors (see below), whose sum is σ = 21356031840. Its totient is φ = 5436080496.

The previous prime is 11131022311. The next prime is 11131022333. The reversal of 11131022312 is 21322013111.

It is not an unprimeable number, because it can be changed into a prime (11131022311) 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, 16178468 + ... + 16179155.

It is an arithmetic number, because the mean of its divisors is an integer number (1334751990).

Almost surely, 2^11131022312 is an apocalyptic number.

It is an amenable number.

11131022312 is a deficient number, since it is larger than the sum of its proper divisors (10225009528).

11131022312 is a wasteful number, since it uses less digits than its factorization.

11131022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32357672 (or 32357668 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11131022312 its reverse (21322013111), we get a palindrome (32453035423).

The spelling of 11131022312 in words is "eleven billion, one hundred thirty-one million, twenty-two thousand, three hundred twelve".