31339352756 has 6 divisors (see below), whose sum is σ = 54843867330. Its totient is φ = 15669676376.

The previous prime is 31339352749. The next prime is 31339352791. The reversal of 31339352756 is 65725393313.

It can be written as a sum of positive squares in only one way, i.e., 21702003856 + 9637348900 = 147316^2 + 98170^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31339352756.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3917419091 + ... + 3917419098.

It is an arithmetic number, because the mean of its divisors is an integer number (9140644555).

Almost surely, 2^31339352756 is an apocalyptic number.

It is an amenable number.

31339352756 is a deficient number, since it is larger than the sum of its proper divisors (23504514574).

31339352756 is a wasteful number, since it uses less digits than its factorization.

31339352756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834838193 (or 7834838191 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 47.

The spelling of 31339352756 in words is "thirty-one billion, three hundred thirty-nine million, three hundred fifty-two thousand, seven hundred fifty-six".