731130985042 has 8 divisors (see below), whose sum is σ = 1100439469836. Its totient is φ = 364317828432.

The previous prime is 731130985037. The next prime is 731130985061. The reversal of 731130985042 is 240589031137.

It can be written as a sum of positive squares in 2 ways, for example, as 726809105961 + 4321879081 = 852531^2 + 65741^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 731130985042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623831313 + ... + 623832484.

Almost surely, 2^731130985042 is an apocalyptic number.

731130985042 is a deficient number, since it is larger than the sum of its proper divisors (369308484794).

731130985042 is a wasteful number, since it uses less digits than its factorization.

731130985042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247664092.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 731130985042 in words is "seven hundred thirty-one billion, one hundred thirty million, nine hundred eighty-five thousand, forty-two".