1031320231300 has 72 divisors (see below), whose sum is σ = 2262274642656. Its totient is φ = 408068348160.

The previous prime is 1031320231297. The next prime is 1031320231397. The reversal of 1031320231300 is 31320231301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3744099 + ... + 4010101.

It is an arithmetic number, because the mean of its divisors is an integer number (31420481148).

Almost surely, 2^{1031320231300} is an apocalyptic number.

1031320231300 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 1031320231300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131137321328).

1031320231300 is an abundant number, since it is smaller than the sum of its proper divisors (1230954411356).

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

1031320231300 is a wasteful number, since it uses less digits than its factorization.

1031320231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266437 (or 266430 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1031320231300 its reverse (31320231301), we get a palindrome (1062640462601).

Subtracting from 1031320231300 its reverse (31320231301), we obtain a palindrome (999999999999).

The spelling of 1031320231300 in words is "one trillion, thirty-one billion, three hundred twenty million, two hundred thirty-one thousand, three hundred".