1244011055431 has 4 divisors (see below), whose sum is σ = 1244563705864. Its totient is φ = 1243458405000.

The previous prime is 1244011055383. The next prime is 1244011055519. The reversal of 1244011055431 is 1345501104421.

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 1244011055431 - 2⁹ = 1244011054919 is a prime.

It is a super-2 number, since 2×1244011055431² (a number of 25 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 = 1244011055393 and 1244011055402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244011055831) 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, 276321840 + ... + 276326341.

It is an arithmetic number, because the mean of its divisors is an integer number (311140926466).

Almost surely, 2^{1244011055431} is an apocalyptic number.

1244011055431 is a deficient number, since it is larger than the sum of its proper divisors (552650433).

1244011055431 is an equidigital number, since it uses as much as digits as its factorization.

1244011055431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552650432.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1244011055431 its reverse (1345501104421), we get a palindrome (2589512159852).

The spelling of 1244011055431 in words is "one trillion, two hundred forty-four billion, eleven million, fifty-five thousand, four hundred thirty-one".