10311287023920 has 80 divisors (see below), whose sum is σ = 31966275143520. Its totient is φ = 2749565970432.

The previous prime is 10311287023897. The next prime is 10311287023957. The reversal of 10311287023920 is 2932078211301.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5205676 + ... + 6908084.

It is an arithmetic number, because the mean of its divisors is an integer number (399578439294).

Almost surely, 2^{10311287023920} is an apocalyptic number.

10311287023920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311287023920 is an abundant number, since it is smaller than the sum of its proper divisors (21654988119600).

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

10311287023920 is a wasteful number, since it uses less digits than its factorization.

10311287023920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727662 (or 1727656 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 10311287023920 in words is "ten trillion, three hundred eleven billion, two hundred eighty-seven million, twenty-three thousand, nine hundred twenty".