1330031563256 has 256 divisors, whose sum is σ = 3091687833600. Its totient is φ = 528950822400.

The previous prime is 1330031563229. The next prime is 1330031563337. The reversal of 1330031563256 is 6523651300331.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664018751 + ... + 664020753.

It is an arithmetic number, because the mean of its divisors is an integer number (12076905600).

Almost surely, 2^{1330031563256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330031563256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545843916800).

1330031563256 is an abundant number, since it is smaller than the sum of its proper divisors (1761656270344).

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

1330031563256 is a wasteful number, since it uses less digits than its factorization.

1330031563256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 1330031563256 its reverse (6523651300331), we get a palindrome (7853682863587).

The spelling of 1330031563256 in words is "one trillion, three hundred thirty billion, thirty-one million, five hundred sixty-three thousand, two hundred fifty-six".