11240121313031 has 4 divisors (see below), whose sum is σ = 12104746029432. Its totient is φ = 10375496596632.

The previous prime is 11240121313013. The next prime is 11240121313087. The reversal of 11240121313031 is 13031312104211.

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 11240121313031 - 2²⁶ = 11240054204167 is a prime.

It is a super-2 number, since 2×11240121313031² (a number of 27 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 = 11240121312988 and 11240121313006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240121313831) 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, 432312358181 + ... + 432312358206.

It is an arithmetic number, because the mean of its divisors is an integer number (3026186507358).

Almost surely, 2^{11240121313031} is an apocalyptic number.

11240121313031 is a deficient number, since it is larger than the sum of its proper divisors (864624716401).

11240121313031 is an equidigital number, since it uses as much as digits as its factorization.

11240121313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864624716400.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11240121313031 its reverse (13031312104211), we get a palindrome (24271433417242).

The spelling of 11240121313031 in words is "eleven trillion, two hundred forty billion, one hundred twenty-one million, three hundred thirteen thousand, thirty-one".