1001313220250 has 64 divisors (see below), whose sum is σ = 2143315130112. Its totient is φ = 343134792000.

The previous prime is 1001313220189. The next prime is 1001313220277. The reversal of 1001313220250 is 520223131001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3362420 + ... + 3648080.

It is an arithmetic number, because the mean of its divisors is an integer number (33489298908).

Almost surely, 2^{1001313220250} is an apocalyptic number.

1001313220250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001313220250 is an abundant number, since it is smaller than the sum of its proper divisors (1142001909862).

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

1001313220250 is a wasteful number, since it uses less digits than its factorization.

1001313220250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287688 (or 287678 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 1001313220250 its reverse (520223131001), we get a palindrome (1521536351251).

The spelling of 1001313220250 in words is "one trillion, one billion, three hundred thirteen million, two hundred twenty thousand, two hundred fifty".