1231344255244 has 12 divisors (see below), whose sum is σ = 2154867374800. Its totient is φ = 615667862448.

The previous prime is 1231344255161. The next prime is 1231344255263. The reversal of 1231344255244 is 4425524431321.

It is a junction number, because it is equal to n+sod(n) for n = 1231344255197 and 1231344255206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365559 + ... + 1611310.

Almost surely, 2^{1231344255244} is an apocalyptic number.

It is an amenable number.

1231344255244 is a deficient number, since it is larger than the sum of its proper divisors (923523119556).

1231344255244 is a wasteful number, since it uses less digits than its factorization.

1231344255244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132592 (or 2132590 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

Adding to 1231344255244 its reverse (4425524431321), we get a palindrome (5656868686565).

The spelling of 1231344255244 in words is "one trillion, two hundred thirty-one billion, three hundred forty-four million, two hundred fifty-five thousand, two hundred forty-four".