1031441130240 has 144 divisors (see below), whose sum is σ = 3295201797888. Its totient is φ = 274964410368.

The previous prime is 1031441130221. The next prime is 1031441130277. The reversal of 1031441130240 is 420311441301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1031441130240.

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, 12658269 + ... + 12739491.

Almost surely, 2^{1031441130240} is an apocalyptic number.

1031441130240 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 1031441130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647600898944).

1031441130240 is an abundant number, since it is smaller than the sum of its proper divisors (2263760667648).

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

1031441130240 is an equidigital number, since it uses as much as digits as its factorization.

1031441130240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84554 (or 84540 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1031441130240 its reverse (420311441301), we get a palindrome (1451752571541).

The spelling of 1031441130240 in words is "one trillion, thirty-one billion, four hundred forty-one million, one hundred thirty thousand, two hundred forty".