1131003232320 has 448 divisors, whose sum is σ = 3964268399616. Its totient is φ = 271454699520.

The previous prime is 1131003232319. The next prime is 1131003232321. The reversal of 1131003232320 is 232323001311.

It is an interprime number because it is at equal distance from previous prime (1131003232319) and next prime (1131003232321).

It is not an unprimeable number, because it can be changed into a prime (1131003232321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162473640 + ... + 162480600.

It is an arithmetic number, because the mean of its divisors is an integer number (8848813392).

Almost surely, 2^{1131003232320} is an apocalyptic number.

1131003232320 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 1131003232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1982134199808).

1131003232320 is an abundant number, since it is smaller than the sum of its proper divisors (2833265167296).

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

1131003232320 is a wasteful number, since it uses less digits than its factorization.

1131003232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7318 (or 7308 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1131003232320 its reverse (232323001311), we get a palindrome (1363326233631).

The spelling of 1131003232320 in words is "one trillion, one hundred thirty-one billion, three million, two hundred thirty-two thousand, three hundred twenty".