1231042313244 has 24 divisors (see below), whose sum is σ = 2879816219280. Its totient is φ = 409292558464.

The previous prime is 1231042313233. The next prime is 1231042313279. The reversal of 1231042313244 is 4423132401321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131855049 + ... + 131864384.

It is an arithmetic number, because the mean of its divisors is an integer number (119992342470).

Almost surely, 2^{1231042313244} is an apocalyptic number.

It is an amenable number.

1231042313244 is an abundant number, since it is smaller than the sum of its proper divisors (1648773906036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231042313244 is a wasteful number, since it uses less digits than its factorization.

1231042313244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263719829 (or 263719827 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1231042313244 its reverse (4423132401321), we get a palindrome (5654174714565).

The spelling of 1231042313244 in words is "one trillion, two hundred thirty-one billion, forty-two million, three hundred thirteen thousand, two hundred forty-four".