11022031031 has 4 divisors (see below), whose sum is σ = 12024033864. Its totient is φ = 10020028200.

The previous prime is 11022030989. The next prime is 11022031037. The reversal of 11022031031 is 13013022011.

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

It is a cyclic number.

It is not a de Polignac number, because 11022031031 - 2¹⁰ = 11022030007 is a prime.

It is a super-2 number, since 2×11022031031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022030997 and 11022031015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022031037) 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, 501001400 + ... + 501001421.

It is an arithmetic number, because the mean of its divisors is an integer number (3006008466).

Almost surely, 2^11022031031 is an apocalyptic number.

11022031031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11022031031 is a deficient number, since it is larger than the sum of its proper divisors (1002002833).

11022031031 is a wasteful number, since it uses less digits than its factorization.

11022031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002002832.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11022031031 its reverse (13013022011), we get a palindrome (24035053042).

The spelling of 11022031031 in words is "eleven billion, twenty-two million, thirty-one thousand, thirty-one".