11003012031 has 8 divisors (see below), whose sum is σ = 16004381184. Its totient is φ = 6668492120.

The previous prime is 11003012029. The next prime is 11003012077. The reversal of 11003012031 is 13021030011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11003012031 - 2¹ = 11003012029 is a prime.

It is a super-2 number, since 2×11003012031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11003011998 and 11003012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003052031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166712271 + ... + 166712336.

It is an arithmetic number, because the mean of its divisors is an integer number (2000547648).

Almost surely, 2^11003012031 is an apocalyptic number.

11003012031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11003012031 is a deficient number, since it is larger than the sum of its proper divisors (5001369153).

11003012031 is a wasteful number, since it uses less digits than its factorization.

11003012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333424621.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11003012031 its reverse (13021030011), we get a palindrome (24024042042).

The spelling of 11003012031 in words is "eleven billion, three million, twelve thousand, thirty-one".