11122331031 has 24 divisors (see below), whose sum is σ = 18441581184. Its totient is φ = 6327611280.

The previous prime is 11122330997. The next prime is 11122331041. The reversal of 11122331031 is 13013322111.

It is not a de Polignac number, because 11122331031 - 2⁹ = 11122330519 is a prime.

It is a super-2 number, since 2×11122331031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11122330995 and 11122331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122331041) 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 23 ways as a sum of consecutive naturals, for example, 374565 + ... + 403166.

It is an arithmetic number, because the mean of its divisors is an integer number (768399216).

Almost surely, 2^11122331031 is an apocalyptic number.

11122331031 is a deficient number, since it is larger than the sum of its proper divisors (7319250153).

11122331031 is a wasteful number, since it uses less digits than its factorization.

11122331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777971 (or 777968 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11122331031 its reverse (13013322111), we get a palindrome (24135653142).

The spelling of 11122331031 in words is "eleven billion, one hundred twenty-two million, three hundred thirty-one thousand, thirty-one".