1244414423431 has 4 divisors (see below), whose sum is σ = 1247102144032. Its totient is φ = 1241726702832.

The previous prime is 1244414423353. The next prime is 1244414423471. The reversal of 1244414423431 is 1343244144421.

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 1244414423431 - 2¹³ = 1244414415239 is a prime.

It is a super-2 number, since 2×1244414423431² (a number of 25 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 (1244414423471) 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, 1343859606 + ... + 1343860531.

It is an arithmetic number, because the mean of its divisors is an integer number (311775536008).

Almost surely, 2^{1244414423431} is an apocalyptic number.

1244414423431 is a deficient number, since it is larger than the sum of its proper divisors (2687720601).

1244414423431 is an equidigital number, since it uses as much as digits as its factorization.

1244414423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687720600.

The product of its digits is 147456, while the sum is 37.

Adding to 1244414423431 its reverse (1343244144421), we get a palindrome (2587658567852).

The spelling of 1244414423431 in words is "one trillion, two hundred forty-four billion, four hundred fourteen million, four hundred twenty-three thousand, four hundred thirty-one".