1330320554531 has 8 divisors (see below), whose sum is σ = 1352897712240. Its totient is φ = 1307744375328.

The previous prime is 1330320554473. The next prime is 1330320554581. The reversal of 1330320554531 is 1354550230331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330320554531 - 2⁶ = 1330320554467 is a prime.

It is a super-2 number, since 2×1330320554531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330320554491 and 1330320554500.

It is not an unprimeable number, because it can be changed into a prime (1330320554581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820665 + ... + 3258341.

It is an arithmetic number, because the mean of its divisors is an integer number (169112214030).

Almost surely, 2^{1330320554531} is an apocalyptic number.

1330320554531 is a deficient number, since it is larger than the sum of its proper divisors (22577157709).

1330320554531 is an equidigital number, since it uses as much as digits as its factorization.

1330320554531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489253.

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 1330320554531 its reverse (1354550230331), we get a palindrome (2684870784862).

The spelling of 1330320554531 in words is "one trillion, three hundred thirty billion, three hundred twenty million, five hundred fifty-four thousand, five hundred thirty-one".