1020031255244 has 6 divisors (see below), whose sum is σ = 1785054696684. Its totient is φ = 510015627620.

The previous prime is 1020031255213. The next prime is 1020031255261. The reversal of 1020031255244 is 4425521300201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127503906902 + ... + 127503906909.

It is an arithmetic number, because the mean of its divisors is an integer number (297509116114).

Almost surely, 2^{1020031255244} is an apocalyptic number.

It is an amenable number.

1020031255244 is a deficient number, since it is larger than the sum of its proper divisors (765023441440).

1020031255244 is a wasteful number, since it uses less digits than its factorization.

1020031255244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255007813815 (or 255007813813 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1020031255244 its reverse (4425521300201), we get a palindrome (5445552555445).

The spelling of 1020031255244 in words is "one trillion, twenty billion, thirty-one million, two hundred fifty-five thousand, two hundred forty-four".