31490974869124 has 27 divisors (see below), whose sum is σ = 56944897180983. Its totient is φ = 15237400134600.

The previous prime is 31490974869113. The next prime is 31490974869161. The reversal of 31490974869124 is 42196847909413.

The square root of 31490974869124 is 5611682.

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

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 31490974869124.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 347879029 + ... + 347969539.

Almost surely, 2^{31490974869124} is an apocalyptic number.

31490974869124 is the 5611682-nd square number.

It is an amenable number.

31490974869124 is a deficient number, since it is larger than the sum of its proper divisors (25453922311859).

31490974869124 is an frugal number, since it uses more digits than its factorization.

31490974869124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181088 (or 90544 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 31490974869124 in words is "thirty-one trillion, four hundred ninety billion, nine hundred seventy-four million, eight hundred sixty-nine thousand, one hundred twenty-four".