1031341320220 has 24 divisors (see below), whose sum is σ = 2168534267424. Its totient is φ = 412018910016.

The previous prime is 1031341320203. The next prime is 1031341320277. The reversal of 1031341320220 is 220231431301.

It is a junction number, because it is equal to n+sod(n) for n = 1031341320191 and 1031341320200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32334792 + ... + 32366671.

It is an arithmetic number, because the mean of its divisors is an integer number (90355594476).

Almost surely, 2^{1031341320220} is an apocalyptic number.

1031341320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031341320220 is an abundant number, since it is smaller than the sum of its proper divisors (1137192947204).

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

1031341320220 is a wasteful number, since it uses less digits than its factorization.

1031341320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64702269 (or 64702267 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1031341320220 its reverse (220231431301), we get a palindrome (1251572751521).

The spelling of 1031341320220 in words is "one trillion, thirty-one billion, three hundred forty-one million, three hundred twenty thousand, two hundred twenty".