31348827136 has 99 divisors (see below), whose sum is σ = 69019167763. Its totient is φ = 14221137920.

The previous prime is 31348827121. The next prime is 31348827143. The reversal of 31348827136 is 63172884313.

It is a happy number.

The square root of 31348827136 is 177056.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62323461 + ... + 62323963.

Almost surely, 2^31348827136 is an apocalyptic number.

31348827136 is the 177056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31348827136

31348827136 is an abundant number, since it is smaller than the sum of its proper divisors (37670340627).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31348827136 is an frugal number, since it uses more digits than its factorization.

31348827136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 516 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The spelling of 31348827136 in words is "thirty-one billion, three hundred forty-eight million, eight hundred twenty-seven thousand, one hundred thirty-six".