11133321031 has 32 divisors (see below), whose sum is σ = 13049422848. Its totient is φ = 9302480640.

The previous prime is 11133321011. The next prime is 11133321047. The reversal of 11133321031 is 13012333111.

It is a cyclic number.

It is not a de Polignac number, because 11133321031 - 2⁷ = 11133320903 is a prime.

It is a super-2 number, since 2×11133321031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133321011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24150141 + ... + 24150601.

It is an arithmetic number, because the mean of its divisors is an integer number (407794464).

Almost surely, 2^11133321031 is an apocalyptic number.

11133321031 is a deficient number, since it is larger than the sum of its proper divisors (1916101817).

11133321031 is a wasteful number, since it uses less digits than its factorization.

11133321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11133321031 its reverse (13012333111), we get a palindrome (24145654142).

The spelling of 11133321031 in words is "eleven billion, one hundred thirty-three million, three hundred twenty-one thousand, thirty-one".