1031947159104 has 147 divisors (see below), whose sum is σ = 3070903676443. Its totient is φ = 343909245312.

The previous prime is 1031947159081. The next prime is 1031947159109. The reversal of 1031947159104 is 4019517491301.

The square root of 1031947159104 is 1015848.

It is a perfect power (a square), and thus also a powerful number.

1031947159104 is a `hidden beast` number, since 1 + 0 + 3 + 19 + 47 + 1 + 591 + 0 + 4 = 666.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031947159104.

It is not an unprimeable number, because it can be changed into a prime (1031947159109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 219420817 + ... + 219425519.

Almost surely, 2^{1031947159104} is an apocalyptic number.

1031947159104 is the 1015848-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031947159104

1031947159104 is an abundant number, since it is smaller than the sum of its proper divisors (2038956517339).

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

1031947159104 is an frugal number, since it uses more digits than its factorization.

1031947159104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 1031947159104 in words is "one trillion, thirty-one billion, nine hundred forty-seven million, one hundred fifty-nine thousand, one hundred four".