31743372986533 has 12 divisors (see below), whose sum is σ = 34998663374220. Its totient is φ = 28620143064576.

The previous prime is 31743372986527. The next prime is 31743372986557. The reversal of 31743372986533 is 33568927334713.

It can be written as a sum of positive squares in 2 ways, for example, as 14238713590084 + 17504659396449 = 3773422^2 + 4183857^2 .

It is not a de Polignac number, because 31743372986533 - 2⁹ = 31743372986021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31743372986503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660278268 + ... + 660326341.

It is an arithmetic number, because the mean of its divisors is an integer number (2916555281185).

Almost surely, 2^{31743372986533} is an apocalyptic number.

It is an amenable number.

31743372986533 is a deficient number, since it is larger than the sum of its proper divisors (3255290387687).

31743372986533 is a wasteful number, since it uses less digits than its factorization.

31743372986533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320604708 (or 1320604665 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 64.

The spelling of 31743372986533 in words is "thirty-one trillion, seven hundred forty-three billion, three hundred seventy-two million, nine hundred eighty-six thousand, five hundred thirty-three".