1030251355320 has 128 divisors (see below), whose sum is σ = 3373969697280. Its totient is φ = 249592128000.

The previous prime is 1030251355307. The next prime is 1030251355327. The reversal of 1030251355320 is 235531520301.

It is a super-2 number, since 2×1030251355320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030251355327) 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, 1736250 + ... + 2252790.

It is an arithmetic number, because the mean of its divisors is an integer number (26359138260).

Almost surely, 2^{1030251355320} is an apocalyptic number.

1030251355320 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 1030251355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686984848640).

1030251355320 is an abundant number, since it is smaller than the sum of its proper divisors (2343718341960).

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

1030251355320 is a wasteful number, since it uses less digits than its factorization.

1030251355320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518077 (or 518073 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 1030251355320 its reverse (235531520301), we get a palindrome (1265782875621).

The spelling of 1030251355320 in words is "one trillion, thirty billion, two hundred fifty-one million, three hundred fifty-five thousand, three hundred twenty".