11242421031 has 16 divisors (see below), whose sum is σ = 15615774720. Its totient is φ = 7188204480.

The previous prime is 11242421023. The next prime is 11242421117. The reversal of 11242421031 is 13012424211.

It is not a de Polignac number, because 11242421031 - 2³ = 11242421023 is a prime.

It is a super-2 number, since 2×11242421031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11242420989 and 11242421007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242421431) 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 15 ways as a sum of consecutive naturals, for example, 767335 + ... + 781848.

It is an arithmetic number, because the mean of its divisors is an integer number (975985920).

Almost surely, 2^11242421031 is an apocalyptic number.

11242421031 is a deficient number, since it is larger than the sum of its proper divisors (4373353689).

11242421031 is a wasteful number, since it uses less digits than its factorization.

11242421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549286.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11242421031 its reverse (13012424211), we get a palindrome (24254845242).

The spelling of 11242421031 in words is "eleven billion, two hundred forty-two million, four hundred twenty-one thousand, thirty-one".