31783943852 has 12 divisors (see below), whose sum is σ = 58893778440. Its totient is φ = 14957150016.

The previous prime is 31783943803. The next prime is 31783943899. The reversal of 31783943852 is 25834938713.

It is a happy number.

It is a hoax number, since the sum of its digits (53) 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 = 31783943794 and 31783943803.

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, 233705402 + ... + 233705537.

It is an arithmetic number, because the mean of its divisors is an integer number (4907814870).

Almost surely, 2^31783943852 is an apocalyptic number.

It is an amenable number.

31783943852 is a deficient number, since it is larger than the sum of its proper divisors (27109834588).

31783943852 is a wasteful number, since it uses less digits than its factorization.

31783943852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467410960 (or 467410958 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 31783943852 in words is "thirty-one billion, seven hundred eighty-three million, nine hundred forty-three thousand, eight hundred fifty-two".