11344404031 has 4 divisors (see below), whose sum is σ = 11344769064. Its totient is φ = 11344039000.

The previous prime is 11344404023. The next prime is 11344404037. The reversal of 11344404031 is 13040444311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13040444311 = 7829 ⋅1665659.

It is a cyclic number.

It is not a de Polignac number, because 11344404031 - 2³ = 11344404023 is a prime.

It is a super-2 number, since 2×11344404031² (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 = 11344403987 and 11344404005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344404037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131065 + ... + 199666.

It is an arithmetic number, because the mean of its divisors is an integer number (2836192266).

Almost surely, 2^11344404031 is an apocalyptic number.

11344404031 is a deficient number, since it is larger than the sum of its proper divisors (365033).

11344404031 is an equidigital number, since it uses as much as digits as its factorization.

11344404031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365032.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11344404031 its reverse (13040444311), we get a palindrome (24384848342).

The spelling of 11344404031 in words is "eleven billion, three hundred forty-four million, four hundred four thousand, thirty-one".