1231344014445 has 24 divisors (see below), whose sum is σ = 2158310863800. Its totient is φ = 649337965056.

The previous prime is 1231344014431. The next prime is 1231344014477. The reversal of 1231344014445 is 5444104431321.

It is a happy number.

1231344014445 is a `hidden beast` number, since 1 + 2 + 31 + 3 + 440 + 144 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 179757344484 + 1051586669961 = 423978^2 + 1025469^2 .

It is not a de Polignac number, because 1231344014445 - 2¹⁰ = 1231344013421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153721840 + ... + 153729849.

It is an arithmetic number, because the mean of its divisors is an integer number (89929619325).

Almost surely, 2^{1231344014445} is an apocalyptic number.

1231344014445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1231344014445 is a deficient number, since it is larger than the sum of its proper divisors (926966849355).

1231344014445 is a wasteful number, since it uses less digits than its factorization.

1231344014445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307451789 (or 307451786 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 1231344014445 its reverse (5444104431321), we get a palindrome (6675448445766).

The spelling of 1231344014445 in words is "one trillion, two hundred thirty-one billion, three hundred forty-four million, fourteen thousand, four hundred forty-five".