31807826452 has 12 divisors (see below), whose sum is σ = 55870626420. Its totient is φ = 15844790336.

The previous prime is 31807826381. The next prime is 31807826459. The reversal of 31807826452 is 25462870813.

It can be written as a sum of positive squares in 2 ways, for example, as 3595921156 + 28211905296 = 59966^2 + 167964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31807826459) 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 3 ways as a sum of consecutive naturals, for example, 14779513 + ... + 14781664.

It is an arithmetic number, because the mean of its divisors is an integer number (4655885535).

Almost surely, 2^31807826452 is an apocalyptic number.

It is an amenable number.

31807826452 is a deficient number, since it is larger than the sum of its proper divisors (24062799968).

31807826452 is a wasteful number, since it uses less digits than its factorization.

31807826452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29561450 (or 29561448 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 31807826452 in words is "thirty-one billion, eight hundred seven million, eight hundred twenty-six thousand, four hundred fifty-two".