1002230031424 has 56 divisors (see below), whose sum is σ = 2062669915800. Its totient is φ = 482591047680.

The previous prime is 1002230031401. The next prime is 1002230031443. The reversal of 1002230031424 is 4241300322001.

It can be written as a sum of positive squares in 4 ways, for example, as 293094400 + 1001936937024 = 17120^2 + 1000968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002230031395 and 1002230031404.

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, 27904 + ... + 1416064.

Almost surely, 2^{1002230031424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002230031424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031334957900).

1002230031424 is an abundant number, since it is smaller than the sum of its proper divisors (1060439884376).

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

1002230031424 is a wasteful number, since it uses less digits than its factorization.

1002230031424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388591 (or 1388581 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1002230031424 its reverse (4241300322001), we get a palindrome (5243530353425).

The spelling of 1002230031424 in words is "one trillion, two billion, two hundred thirty million, thirty-one thousand, four hundred twenty-four".