31140664350 has 48 divisors (see below), whose sum is σ = 77240770560. Its totient is φ = 8302895200.

The previous prime is 31140664333. The next prime is 31140664361. The reversal of 31140664350 is 5346604113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1340131 + ... + 1363169.

It is an arithmetic number, because the mean of its divisors is an integer number (1609182720).

Almost surely, 2^31140664350 is an apocalyptic number.

31140664350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31140664350 is an abundant number, since it is smaller than the sum of its proper divisors (46100106210).

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

31140664350 is a wasteful number, since it uses less digits than its factorization.

31140664350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32065 (or 32060 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 31140664350 in words is "thirty-one billion, one hundred forty million, six hundred sixty-four thousand, three hundred fifty".