3191793060481 has 9 divisors (see below), whose sum is σ = 3204447028419. Its totient is φ = 3179188886736.

The previous prime is 3191793060403. The next prime is 3191793060563. The reversal of 3191793060481 is 1840603971913.

The square root of 3191793060481 is 1786559.

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

3191793060481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 330228369025 + 2861564691456 = 574655^2 + 1691616^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3191793060481 is a prime.

It is a super-2 number, since 2×3191793060481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3191793067481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 469861621 + ... + 469868413.

Almost surely, 2^{3191793060481} is an apocalyptic number.

3191793060481 is the 1786559-th square number.

3191793060481 is the 893280-th centered octagonal number.

It is an amenable number.

3191793060481 is a deficient number, since it is larger than the sum of its proper divisors (12653967938).

3191793060481 is an frugal number, since it uses more digits than its factorization.

3191793060481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14112 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 3191793060481 in words is "three trillion, one hundred ninety-one billion, seven hundred ninety-three million, sixty thousand, four hundred eighty-one".