16031304311240 has 64 divisors (see below), whose sum is σ = 36113363740800. Its totient is φ = 6404891346432.

The previous prime is 16031304311227. The next prime is 16031304311293. The reversal of 16031304311240 is 4211340313061.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 537894179 + ... + 537923981.

It is an arithmetic number, because the mean of its divisors is an integer number (564271308450).

Almost surely, 2^{16031304311240} is an apocalyptic number.

16031304311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16031304311240 is an abundant number, since it is smaller than the sum of its proper divisors (20082059429560).

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

16031304311240 is a wasteful number, since it uses less digits than its factorization.

16031304311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45366 (or 45362 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 16031304311240 in words is "sixteen trillion, thirty-one billion, three hundred four million, three hundred eleven thousand, two hundred forty".