1000322031020 has 48 divisors (see below), whose sum is σ = 2299353123648. Its totient is φ = 363294754560.

The previous prime is 1000322031001. The next prime is 1000322031047. The reversal of 1000322031020 is 201302230001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000322030986 and 1000322031004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31520144 + ... + 31551863.

It is an arithmetic number, because the mean of its divisors is an integer number (47903190076).

Almost surely, 2^{1000322031020} is an apocalyptic number.

1000322031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000322031020 is an abundant number, since it is smaller than the sum of its proper divisors (1299031092628).

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

1000322031020 is a wasteful number, since it uses less digits than its factorization.

1000322031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63072090 (or 63072088 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1000322031020 its reverse (201302230001), we get a palindrome (1201624261021).

The spelling of 1000322031020 in words is "one trillion, three hundred twenty-two million, thirty-one thousand, twenty".