31324384852 has 12 divisors (see below), whose sum is σ = 56299232500. Its totient is φ = 15238889856.

The previous prime is 31324384811. The next prime is 31324384907. The reversal of 31324384852 is 25848342313.

It can be written as a sum of positive squares in 2 ways, for example, as 19676795076 + 11647589776 = 140274^2 + 107924^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31324384799 and 31324384808.

It is a congruent number.

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, 105825477 + ... + 105825772.

Almost surely, 2^31324384852 is an apocalyptic number.

It is an amenable number.

31324384852 is a deficient number, since it is larger than the sum of its proper divisors (24974847648).

31324384852 is a wasteful number, since it uses less digits than its factorization.

31324384852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211651290 (or 211651288 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The spelling of 31324384852 in words is "thirty-one billion, three hundred twenty-four million, three hundred eighty-four thousand, eight hundred fifty-two".