1030320031000 has 128 divisors (see below), whose sum is σ = 2597183184960. Its totient is φ = 380312064000.

The previous prime is 1030320030997. The next prime is 1030320031009. The reversal of 1030320031000 is 1300230301.

It is a super-2 number, since 2×1030320031000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030320031009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52341160 + ... + 52360840.

Almost surely, 2^{1030320031000} is an apocalyptic number.

1030320031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030320031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298591592480).

1030320031000 is an abundant number, since it is smaller than the sum of its proper divisors (1566863153960).

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

1030320031000 is a wasteful number, since it uses less digits than its factorization.

1030320031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23742 (or 23728 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 1030320031000 its reverse (1300230301), we get a palindrome (1031620261301).

The spelling of 1030320031000 in words is "one trillion, thirty billion, three hundred twenty million, thirty-one thousand".