2031200100028 has 24 divisors (see below), whose sum is σ = 3883795224624. Its totient is φ = 921832396800.

The previous prime is 2031200099983. The next prime is 2031200100029. The reversal of 2031200100028 is 8200010021302.

It is a junction number, because it is equal to n+sod(n) for n = 2031200099978 and 2031200100014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031200100029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35980875 + ... + 36037282.

It is an arithmetic number, because the mean of its divisors is an integer number (161824801026).

Almost surely, 2^{2031200100028} is an apocalyptic number.

It is an amenable number.

2031200100028 is a deficient number, since it is larger than the sum of its proper divisors (1852595124596).

2031200100028 is a wasteful number, since it uses less digits than its factorization.

2031200100028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72018813 (or 72018811 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The spelling of 2031200100028 in words is "two trillion, thirty-one billion, two hundred million, one hundred thousand, twenty-eight".