731579113012 has 18 divisors (see below), whose sum is σ = 1407231724514. Its totient is φ = 332535960240.

The previous prime is 731579113003. The next prime is 731579113019. The reversal of 731579113012 is 210311975137.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 725369042596 + 6210070416 = 851686^2 + 78804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731579113019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 755763063 + ... + 755764030.

Almost surely, 2^731579113012 is an apocalyptic number.

It is an amenable number.

731579113012 is a deficient number, since it is larger than the sum of its proper divisors (675652611502).

731579113012 is a wasteful number, since it uses less digits than its factorization.

731579113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511527119 (or 1511527106 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 731579113012 in words is "seven hundred thirty-one billion, five hundred seventy-nine million, one hundred thirteen thousand, twelve".