11344450223431 has 36 divisors (see below), whose sum is σ = 13411857712680. Its totient is φ = 9578559856320.

The previous prime is 11344450223429. The next prime is 11344450223453. The reversal of 11344450223431 is 13432205444311.

It is not a de Polignac number, because 11344450223431 - 2¹ = 11344450223429 is a prime.

It is a super-2 number, since 2×11344450223431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344450283431) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1436725 + ... + 4975246.

It is an arithmetic number, because the mean of its divisors is an integer number (372551603130).

Almost surely, 2^{11344450223431} is an apocalyptic number.

11344450223431 is a deficient number, since it is larger than the sum of its proper divisors (2067407489249).

11344450223431 is a wasteful number, since it uses less digits than its factorization.

11344450223431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412064 (or 6412032 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 11344450223431 its reverse (13432205444311), we get a palindrome (24776655667742).

The spelling of 11344450223431 in words is "eleven trillion, three hundred forty-four billion, four hundred fifty million, two hundred twenty-three thousand, four hundred thirty-one".