1320031530441 has 40 divisors (see below), whose sum is σ = 2150464426880. Its totient is φ = 802044423648.

The previous prime is 1320031530439. The next prime is 1320031530443. The reversal of 1320031530441 is 1440351300231.

It is a happy number.

1320031530441 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 0 + 315 + 304 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (1320031530439) and next prime (1320031530443).

It is not a de Polignac number, because 1320031530441 - 2¹ = 1320031530439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320031530443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7850935 + ... + 8017308.

It is an arithmetic number, because the mean of its divisors is an integer number (53761610672).

Almost surely, 2^{1320031530441} is an apocalyptic number.

It is an amenable number.

1320031530441 is a deficient number, since it is larger than the sum of its proper divisors (830432896439).

1320031530441 is a wasteful number, since it uses less digits than its factorization.

1320031530441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15868347 (or 15868338 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1320031530441 its reverse (1440351300231), we get a palindrome (2760382830672).

The spelling of 1320031530441 in words is "one trillion, three hundred twenty billion, thirty-one million, five hundred thirty thousand, four hundred forty-one".